{"title":"Cylinder Head","description":"","products":[{"product_id":"complete-engine-head-cylinder-head-valves-camshaft-yamaha-ybr125-ybr-125","title":"Complete Engine Head Cylinder Head Valves Camshaft for Yamaha YBR125 YBR 125","description":"\u003ch2\u003eComplete Engine Head Cylinder Head Valves Camshaft for Yamaha YBR125 YBR 125\u003c\/h2\u003e\u003cp\u003eReplacement camshaft assembly for the application and specification shown in the title.\u003c\/p\u003e\u003ch3\u003eKey Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct supplied as pictured\u003c\/li\u003e\n\u003cli\u003eDimensions, connectors and mounting points should be checked before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eListed Application\u003c\/h3\u003e\u003cp\u003eYamaha YBR125 YBR 125\u003c\/p\u003e\u003ch3\u003eCompatibility Check\u003c\/h3\u003e\u003cp\u003eCompare the product photos, dimensions, mounting points, connectors and reference numbers with the part currently fitted before ordering. Model and year information is a guide because specifications can vary by market and production date.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57111949050231,"sku":"02062-ENG","price":130.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/02062-ENG_1.jpg?v=1784820534"},{"product_id":"new-engine-head-cylinder-head-yx160-yx150-pitbike-dirtbike-150cc-160cc","title":"YX150 YX160 60mm Cylinder Head 1P60FMJ 1P60FMK Pit Bike","description":"\u003cp\u003e\u003cstrong\u003eYX150 YX160 60mm Cylinder Head 1P60FMJ 1P60FMK Pit Bike\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrand new replacement cylinder head for compatible \u003cstrong\u003eYX150 and YX160 horizontal pit-bike engines\u003c\/strong\u003e. Fitment is determined by the engine fitted to the bike, not by the frame badge alone.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel \/ Application\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eFitment\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYX \/ Yinxiang\u003c\/td\u003e\n\u003ctd\u003eYX150\u003c\/td\u003e\n\u003ctd\u003eEngine code 1P60FMJ\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003e60 mm bore-family cylinder head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYX \/ Yinxiang\u003c\/td\u003e\n\u003ctd\u003eYX160\u003c\/td\u003e\n\u003ctd\u003eEngine code 1P60FMK\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003e60 mm bore-family cylinder head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e YX150 \/ YX160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX150 engine code:\u003c\/strong\u003e 1P60FMJ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX160 engine code:\u003c\/strong\u003e 1P60FMK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston \/ bore-family compatibility:\u003c\/strong\u003e 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet valve diameter:\u003c\/strong\u003e approximately 28 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e approximately 23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake port diameter:\u003c\/strong\u003e approximately 26.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust port diameter:\u003c\/strong\u003e approximately 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead length:\u003c\/strong\u003e approximately 100 mm between machined reference faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort style:\u003c\/strong\u003e later CRF-angle YX head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e1 × cylinder head assembly supplied as shown in the product photographs.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCheck the engine code before ordering.\u003c\/strong\u003e A pit-bike model may have been supplied with different engines during its production life or may have had an engine conversion.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the YX150 \/ YX160 CRF-angle cylinder-head family. It should not be treated as a direct replacement for a Lifan 150 engine, KLX-angle head or Z155 head.\u003c\/p\u003e\n\u003cp\u003eA YX-style head can be adapted to some Z155 applications only with additional compatibility work such as the correct inlet manifold arrangement and original Z155 cam sprocket. That is a conversion, not direct fitment, and Z155 models are therefore not advertised as direct-fit applications here.\u003c\/p\u003e\n\u003cp\u003eCompare the casting, port angle, mounting points, cam arrangement and engine code with the existing cylinder head before installation.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head installation requires correct cam timing and valve-clearance adjustment. Installation should be carried out by a competent engine technician and the engine should be checked before use.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112004624759,"sku":"00741-ENG","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260828_124459.jpg?v=1788425789"},{"product_id":"engine-cylinder-head-valves-camshaft-covers-yx140-140cc-pitbike-2-valve-yx-140","title":"Engine Cylinder Head Valves Camshaft Covers YX140 140cc Pit Bike 2 Valve YX 140","description":"\u003ch2\u003eEngine Cylinder Head Valves Camshaft Covers YX140 140cc Pit Bike 2 Valve YX 140\u003c\/h2\u003e\u003cp\u003eReplacement camshaft assembly for the application and specification shown in the title.\u003c\/p\u003e\u003ch3\u003eKey Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct supplied as pictured\u003c\/li\u003e\n\u003cli\u003eDimensions, connectors and mounting points should be checked before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility Check\u003c\/h3\u003e\u003cp\u003eCompare the product photos, dimensions, mounting points, connectors and reference numbers with the part currently fitted before ordering. Model and year information is a guide because specifications can vary by market and production date.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112085496183,"sku":"02151-ENG","price":88.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/57_2ed1ed7c-0350-4aaf-a3f6-4a55ac141720.jpg?v=1779444221"},{"product_id":"engine-head-assembly-valves-springs-pulse-125cc-lightspeed-125-rage-125-zoom125","title":"Pulse 125 Cylinder Head Lightspeed Phantom Rage Vijo Zoom","description":"\u003ch2\u003ePulse 125 Cylinder Head Lightspeed Phantom Rage Vijo Zoom\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible Pulse 125 models applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse\u003c\/td\u003e\n\u003ctd\u003eLightspeed 125\u003c\/td\u003e\n\u003ctd\u003eHT125T-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse\u003c\/td\u003e\n\u003ctd\u003ePhantom 125\u003c\/td\u003e\n\u003ctd\u003eZN125T-32A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse\u003c\/td\u003e\n\u003ctd\u003eRage 125\u003c\/td\u003e\n\u003ctd\u003eLK125GY-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse\u003c\/td\u003e\n\u003ctd\u003eVijo 125\u003c\/td\u003e\n\u003ctd\u003eHT125T-9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse\u003c\/td\u003e\n\u003ctd\u003eZoom 125\u003c\/td\u003e\n\u003ctd\u003eHT125T-21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112087036279,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"engine-head-assembly-valves-springs-gy6-125cc-152qmi","title":"GY6 125cc 152QMI Cylinder Head with Valves \u0026 Springs","description":"\u003ch2\u003eGY6 125cc 152QMI Cylinder Head with Valves \u0026amp; Springs\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible GY6 125cc \/ 152QMI applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eGeneric \/ Chinese scooter\u003c\/td\u003e\n\u003ctd\u003eGY6 125cc\u003c\/td\u003e\n\u003ctd\u003e152QMI \/ compatible EGR-port head\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112087134583,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"engine-head-assembly-valves-springs-lexmoto-125cc-fmr125-fms125-fmx125","title":"Lexmoto 125 Cylinder Head FMS FMX Matador Milano Tommy Valencia","description":"\u003ch2\u003eLexmoto 125 Cylinder Head FMS FMX Matador Milano Tommy Valencia\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible Lexmoto 125 models applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLexmoto\u003c\/td\u003e\n\u003ctd\u003eFMS 125\u003c\/td\u003e\n\u003ctd\u003eZN125T-7H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLexmoto\u003c\/td\u003e\n\u003ctd\u003eFMX 125 EFI\u003c\/td\u003e\n\u003ctd\u003eWY125T-108-E4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLexmoto\u003c\/td\u003e\n\u003ctd\u003eMatador 125\u003c\/td\u003e\n\u003ctd\u003eZS125T-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLexmoto\u003c\/td\u003e\n\u003ctd\u003eMilano 125\u003c\/td\u003e\n\u003ctd\u003eFT125T-27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLexmoto\u003c\/td\u003e\n\u003ctd\u003eTommy 125 E3\u003c\/td\u003e\n\u003ctd\u003e152QMI application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLexmoto\u003c\/td\u003e\n\u003ctd\u003eValencia 125\u003c\/td\u003e\n\u003ctd\u003eZN125T-K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLexmoto\u003c\/td\u003e\n\u003ctd\u003eVerona 125\u003c\/td\u003e\n\u003ctd\u003eWY125T-41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112087691639,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"engine-head-cylinder-head-valves-camshaft-honda-cub-c70-c90-1985-2004","title":"Honda C70 C90 ST70 XR70 CRF70 CD90 Complete Cylinder Head","description":"\u003ch2\u003eHonda C70 C90 ST70 XR70 CRF70 CD90 Complete Cylinder Head\u003c\/h2\u003e\n\u003cp\u003eAftermarket replacement complete cylinder head assembly for selected Honda 70cc and 90cc applications. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete replacement cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eAftermarket, unbranded part\u003c\/li\u003e\n\u003cli\u003eOE-family cross-reference compatibility across selected Honda Cub, Dax, XR, CRF and Benly models\u003c\/li\u003e\n\u003cli\u003eSupplied as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears \/ Variants\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eC70 Cub\u003c\/td\u003e\n\u003ctd\u003e1985–1986\u003c\/td\u003e\n\u003ctd\u003ePrimary listed application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eC90 Cub\u003c\/td\u003e\n\u003ctd\u003e1985–2003\u003c\/td\u003e\n\u003ctd\u003ePrimary listed application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eST70 \/ Dax 70\u003c\/td\u003e\n\u003ctd\u003eSelected 1982–1990, 1992–1994 and 1996 models\u003c\/td\u003e\n\u003ctd\u003eOE cylinder-head family cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eXR70R\u003c\/td\u003e\n\u003ctd\u003e1997–2003\u003c\/td\u003e\n\u003ctd\u003eOE 12200-GT0-751 application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF70F\u003c\/td\u003e\n\u003ctd\u003e2004–2009, 2011–2012\u003c\/td\u003e\n\u003ctd\u003eOE 12200-GT0-751 application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eBenly CD90 \/ CD90S\u003c\/td\u003e\n\u003ctd\u003e1987–1999\u003c\/td\u003e\n\u003ctd\u003eSelected CD90 variants use the same OE cylinder-head family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eSuper Cub 70 Deluxe \/ Custom\u003c\/td\u003e\n\u003ctd\u003eSelected 1992–1999 variants\u003c\/td\u003e\n\u003ctd\u003eOE-family application; check model code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eSuper Cub 90 Deluxe C90D7\u003c\/td\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eHonda catalogue lists OE 12200-GT0-751\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOE \/ OEM Reference Numbers\u003c\/h3\u003e\n\u003cp\u003eHonda cylinder-head references associated with these applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12200-GB1-902\u003c\/li\u003e\n\u003cli\u003e12200-GB1-903\u003c\/li\u003e\n\u003cli\u003e12200-GB5-930\u003c\/li\u003e\n\u003cli\u003e12200-GB5-931\u003c\/li\u003e\n\u003cli\u003e12200-GT0-751\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are Honda OE cross-reference numbers for the compatible cylinder-head families. This product is an aftermarket part and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eHonda used several cylinder-head references, model codes and market specifications across these vehicles. Compatibility outside the primary C70\/C90 application is based on the Honda OE cylinder-head family. Compare your original cylinder head, model code, mounting points and OE reference before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eComplete cylinder head assembly supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112089166199,"sku":"00017-ENG","price":32.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260828_125250_0ac4fa4a-19da-4ca7-9e81-c84ca0e3f426.jpg?v=1788356899"},{"product_id":"engine-head-assembly-valves-springs-sinnis-harrier-125-shuttle-125-eagle-125","title":"Sinnis 125 Cylinder Head Eagle Harrier Shuttle Spirit 152QMI","description":"\u003ch2\u003eSinnis 125 Cylinder Head Eagle Harrier Shuttle Spirit 152QMI\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible Sinnis 125 models applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSinnis\u003c\/td\u003e\n\u003ctd\u003eEagle 125\u003c\/td\u003e\n\u003ctd\u003eQM125T-10R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSinnis\u003c\/td\u003e\n\u003ctd\u003eHarrier 125\u003c\/td\u003e\n\u003ctd\u003eZN125T-22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSinnis\u003c\/td\u003e\n\u003ctd\u003eShuttle 125\u003c\/td\u003e\n\u003ctd\u003eZN125T-7H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSinnis\u003c\/td\u003e\n\u003ctd\u003eSpirit 125\u003c\/td\u003e\n\u003ctd\u003eZN125T-E-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112169808247,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"engine-head-cylinder-head-with-valves-yamaha-ybr125-ybr-125","title":"Yamaha YBR125 Cylinder Head with Valves 2005-2017","description":"\u003ch2\u003eYamaha YBR125 Cylinder Head with Valves 2005-2017\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket cylinder head assembly with valves for compatible Yamaha YBR125 \/ YBR 125 models. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears \/ Application\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYBR125 \/ YBR 125\u003c\/td\u003e\n\u003ctd\u003e2005–2017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAftermarket catalogues list this replacement head for YBR125 2005–2017, and Yamaha parts data confirms the 5VL-E1111-11 head family across multiple YBR125 production years.\u003c\/p\u003e\n\n\u003ch3\u003eOE \/ OEM Cross-Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5VL-E1111-11\u003c\/li\u003e\n\u003cli\u003e5VL-E1111-11-00\u003c\/li\u003e\n\u003cli\u003e5VL-E1111-10 — earlier\/superseded reference within this head family\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Yamaha numbers are compatibility cross-references. The supplied cylinder head is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder head assembly with valves\u003c\/li\u003e\n\u003cli\u003eNew aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSupplied as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eCompare the complete head casting, valve arrangement, inlet and exhaust ports, side-cover arrangement, mounting points and any emissions\/EGR port provision with the cylinder head currently fitted before ordering. Yamaha used different cylinder-head families on closely related 125cc models and years.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112170299767,"sku":"01019-ENG","price":90.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_150747.png?v=1788426724"},{"product_id":"engine-head-cylinder-head-4-storke-110cc-lifan-chinese-pitbike-gaskets","title":"110cc 4-Stroke Cylinder Head with Gaskets for Lifan-Style Pit Bikes","description":"\u003ch2\u003e110cc 4-Stroke Cylinder Head with Gaskets for Lifan-Style Pit Bikes\u003c\/h2\u003e\u003cp\u003eReplacement cylinder head for the application and specification shown in the title.\u003c\/p\u003e\u003ch3\u003eKey Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct supplied as pictured\u003c\/li\u003e\n\u003cli\u003eDimensions, connectors and mounting points should be checked before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eListed Application\u003c\/h3\u003e\u003cp\u003eLifan-Style Pit Bikes\u003c\/p\u003e\u003ch3\u003eCompatibility Check\u003c\/h3\u003e\u003cp\u003eCompare the product photos, dimensions, mounting points, connectors and reference numbers with the part currently fitted before ordering. Model and year information is a guide because specifications can vary by market and production date.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112402133367,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170126.jpg?v=1787687101"},{"product_id":"engine-head-cylinder-head-kazuma-falcon-panda-lacoste-100-110-redcat-110cc-atv","title":"110cc Cylinder Head with Gaskets for Kazuma Falcon \/ Panda \/ Redcat ATV","description":"\u003ch2\u003e110cc Cylinder Head with Gaskets for Kazuma Falcon \/ Panda \/ Redcat ATV\u003c\/h2\u003e\u003cp\u003eReplacement cylinder head for the application and specification shown in the title.\u003c\/p\u003e\u003ch3\u003eKey Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct supplied as pictured\u003c\/li\u003e\n\u003cli\u003eDimensions, connectors and mounting points should be checked before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eListed Application\u003c\/h3\u003e\u003cp\u003eKazuma Falcon \/ Panda \/ Redcat ATV\u003c\/p\u003e\u003ch3\u003eCompatibility Check\u003c\/h3\u003e\u003cp\u003eCompare the product photos, dimensions, mounting points, connectors and reference numbers with the part currently fitted before ordering. Model and year information is a guide because specifications can vary by market and production date.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57112402592119,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170119.jpg?v=1787687101"},{"product_id":"lifan-110cc-1p52fmh-cylinder-head-valve-gasket-kit-pit-bike","title":"Lifan 110cc 1P52FMH Cylinder Head Valve Gasket Kit Pit Bike","description":"\u003ch2\u003eLifan \/ 1P52FMH Pit Bike 110cc Cylinder Head \u0026amp; Gasket Kit\u003c\/h2\u003e\u003cp\u003eComplete aftermarket cylinder-head assembly for selected Chinese horizontal four-stroke 110cc engines. The closest technical pattern is the \u003cstrong\u003e1P52FMH \/ E-22-style 52.4 mm head family\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKit \/ Component Identification\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFinned aluminium complete cylinder-head casting\u003c\/li\u003e\n\u003cli\u003eInstalled intake and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs, retainers and internal valve hardware\u003c\/li\u003e\n\u003cli\u003eRocker-arm \/ tappet mechanism\u003c\/li\u003e\n\u003cli\u003eCamshaft \/ timing-drive components within the assembled head\u003c\/li\u003e\n\u003cli\u003eRemovable finned rocker \/ valve cover\u003c\/li\u003e\n\u003cli\u003eCylinder-head gasket and associated top-end gaskets shown with the kit\u003c\/li\u003e\n\u003cli\u003eSmall mounting studs \/ fixing hardware shown in the product set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine type: horizontal four-stroke Chinese \/ Honda-style engine\u003c\/li\u003e\n\u003cli\u003eNominal capacity: \u003cstrong\u003e110cc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrimary engine-code pattern: \u003cstrong\u003e1P52FMH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead \/ cylinder family: approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntake valve: approximately \u003cstrong\u003e23 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExhaust valve: approximately \u003cstrong\u003e20 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatching complete-head assemblies commonly use a \u003cstrong\u003e28-tooth cam timing sprocket\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eBest suited to 1P52FMH-pattern Lifan and Lifan-style 110cc horizontal engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifan 1P52FMH 110cc\u003c\/strong\u003e – High. Direct engine-code match for the 52.4 mm head family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifan-style 110cc pit bikes\u003c\/strong\u003e – Medium. Suitable only where the engine code, stud pattern and dimensions match 1P52FMH.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment is based on the engine pattern, not just the badge on the bike or ATV.\u003c\/strong\u003e Chinese manufacturers often used different engines under the same model name.\u003c\/p\u003e\u003ch3\u003eBefore Ordering – Required Checks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the engine code stamped on the crankcase. A matching \u003cstrong\u003e1P52FMH\u003c\/strong\u003e code is the strongest indicator.\u003c\/li\u003e\n\u003cli\u003eConfirm the approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e cylinder\/head family.\u003c\/li\u003e\n\u003cli\u003eCompare the four main stud holes, cam-chain opening, oil passages, intake flange and exhaust port with the photos.\u003c\/li\u003e\n\u003cli\u003eIf possible, confirm approximately \u003cstrong\u003e23 mm intake \/ 20 mm exhaust\u003c\/strong\u003e valve sizes.\u003c\/li\u003e\n\u003cli\u003eDo not assume every 110cc Chinese pit bike or ATV uses this head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer \/ OE-Style Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0201512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder head reference for 1P52FMH-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0204512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder-head gasket reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010010-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010040-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head gasket assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060100-1P50FMG\u003c\/strong\u003e – camshaft assembly family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060505-1P50FMG\u003c\/strong\u003e – intake valve family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060506-1P50FMG\u003c\/strong\u003e – exhaust valve family reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Aftermarket Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEAD04S-CSP\u003c\/strong\u003e – AB Moto Parts 52.4mm assembled 1P52FMH head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e290-259\u003c\/strong\u003e – GY6 Store 52.4mm E-22-style 110cc cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1290434946\u003c\/strong\u003e – UD Spare Parts 1P52FMH 52.4mm head\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese references are for identification only. This stock item is \u003cstrong\u003eUnbranded\u003c\/strong\u003e, so the Google Shopping MPN field is intentionally left blank.\u003c\/p\u003e\u003ch3\u003eInstallation Note\u003c\/h3\u003e\u003cp\u003eCorrect cam timing, valve clearances, gasket orientation and cylinder-head torque are essential. Rotate the engine carefully by hand after timing and before starting to confirm the valves do not contact the piston.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57412623270263,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170126.jpg?v=1787687101"},{"product_id":"kazuma-falcon-panda-lacoste-redcat-110cc-cylinder-head-gasket-kit","title":"Kazuma Falcon Panda Lacoste Redcat 110cc Cylinder Head Gasket Kit","description":"\u003ch2\u003eKazuma \/ Redcat 100-110cc ATV 110cc Cylinder Head \u0026amp; Gasket Kit\u003c\/h2\u003e\u003cp\u003eComplete aftermarket cylinder-head assembly for selected Chinese horizontal four-stroke 110cc engines. The closest technical pattern is the \u003cstrong\u003e1P52FMH \/ E-22-style 52.4 mm head family\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKit \/ Component Identification\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFinned aluminium complete cylinder-head casting\u003c\/li\u003e\n\u003cli\u003eInstalled intake and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs, retainers and internal valve hardware\u003c\/li\u003e\n\u003cli\u003eRocker-arm \/ tappet mechanism\u003c\/li\u003e\n\u003cli\u003eCamshaft \/ timing-drive components within the assembled head\u003c\/li\u003e\n\u003cli\u003eRemovable finned rocker \/ valve cover\u003c\/li\u003e\n\u003cli\u003eCylinder-head gasket and associated top-end gaskets shown with the kit\u003c\/li\u003e\n\u003cli\u003eSmall mounting studs \/ fixing hardware shown in the product set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine type: horizontal four-stroke Chinese \/ Honda-style engine\u003c\/li\u003e\n\u003cli\u003eNominal capacity: \u003cstrong\u003e110cc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrimary engine-code pattern: \u003cstrong\u003e1P52FMH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead \/ cylinder family: approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntake valve: approximately \u003cstrong\u003e23 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExhaust valve: approximately \u003cstrong\u003e20 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatching complete-head assemblies commonly use a \u003cstrong\u003e28-tooth cam timing sprocket\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eThis combined listing keeps the existing Kazuma\/Redcat coverage while making the individual model fitment visible to buyers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKazuma Falcon 110\u003c\/strong\u003e – Medium\/High. Commonly cross-listed with the 52.4 mm 1P52FMH-style head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKazuma Panda 100 \/ 110\u003c\/strong\u003e – Medium. Model was supplied with more than one engine version; dimensional check required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKazuma Lacoste 110\u003c\/strong\u003e – Medium\/High. Repeatedly cross-listed with this 110cc head family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedcat KMX-110\u003c\/strong\u003e – Medium. Cross-referenced to the same Kazuma\/Panda 110 engine family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedcat RFX-110 \/ SFX-110 \/ VX-110\u003c\/strong\u003e – Medium. Compatible only where the fitted engine matches the 52.4 mm 1P52FMH-style pattern.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment is based on the engine pattern, not just the badge on the bike or ATV.\u003c\/strong\u003e Chinese manufacturers often used different engines under the same model name.\u003c\/p\u003e\u003ch3\u003eBefore Ordering – Required Checks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the engine code stamped on the crankcase. A matching \u003cstrong\u003e1P52FMH\u003c\/strong\u003e code is the strongest indicator.\u003c\/li\u003e\n\u003cli\u003eConfirm the approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e cylinder\/head family.\u003c\/li\u003e\n\u003cli\u003eCompare the four main stud holes, cam-chain opening, oil passages, intake flange and exhaust port with the photos.\u003c\/li\u003e\n\u003cli\u003eIf possible, confirm approximately \u003cstrong\u003e23 mm intake \/ 20 mm exhaust\u003c\/strong\u003e valve sizes.\u003c\/li\u003e\n\u003cli\u003eDo not assume every 110cc Chinese pit bike or ATV uses this head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer \/ OE-Style Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0201512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder head reference for 1P52FMH-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0204512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder-head gasket reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010010-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010040-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head gasket assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060100-1P50FMG\u003c\/strong\u003e – camshaft assembly family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060505-1P50FMG\u003c\/strong\u003e – intake valve family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060506-1P50FMG\u003c\/strong\u003e – exhaust valve family reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Aftermarket Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEAD04S-CSP\u003c\/strong\u003e – AB Moto Parts 52.4mm assembled 1P52FMH head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e290-259\u003c\/strong\u003e – GY6 Store 52.4mm E-22-style 110cc cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1290434946\u003c\/strong\u003e – UD Spare Parts 1P52FMH 52.4mm head\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese references are for identification only. This stock item is \u003cstrong\u003eUnbranded\u003c\/strong\u003e, so the Google Shopping MPN field is intentionally left blank.\u003c\/p\u003e\u003ch3\u003eInstallation Note\u003c\/h3\u003e\u003cp\u003eCorrect cam timing, valve clearances, gasket orientation and cylinder-head torque are essential. Rotate the engine carefully by hand after timing and before starting to confirm the valves do not contact the piston.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57412623303031,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170126.jpg?v=1787687101"},{"product_id":"lifan-1p52fmh-110cc-cylinder-head-gasket-kit-52-4mm","title":"Lifan 1P52FMH 110cc Cylinder Head Gasket Kit 52.4mm","description":"\u003ch2\u003eLifan 1P52FMH 110cc 110cc Cylinder Head \u0026amp; Gasket Kit\u003c\/h2\u003e\u003cp\u003eComplete aftermarket cylinder-head assembly for selected Chinese horizontal four-stroke 110cc engines. The closest technical pattern is the \u003cstrong\u003e1P52FMH \/ E-22-style 52.4 mm head family\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKit \/ Component Identification\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFinned aluminium complete cylinder-head casting\u003c\/li\u003e\n\u003cli\u003eInstalled intake and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs, retainers and internal valve hardware\u003c\/li\u003e\n\u003cli\u003eRocker-arm \/ tappet mechanism\u003c\/li\u003e\n\u003cli\u003eCamshaft \/ timing-drive components within the assembled head\u003c\/li\u003e\n\u003cli\u003eRemovable finned rocker \/ valve cover\u003c\/li\u003e\n\u003cli\u003eCylinder-head gasket and associated top-end gaskets shown with the kit\u003c\/li\u003e\n\u003cli\u003eSmall mounting studs \/ fixing hardware shown in the product set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine type: horizontal four-stroke Chinese \/ Honda-style engine\u003c\/li\u003e\n\u003cli\u003eNominal capacity: \u003cstrong\u003e110cc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrimary engine-code pattern: \u003cstrong\u003e1P52FMH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead \/ cylinder family: approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntake valve: approximately \u003cstrong\u003e23 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExhaust valve: approximately \u003cstrong\u003e20 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatching complete-head assemblies commonly use a \u003cstrong\u003e28-tooth cam timing sprocket\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eThis is the most specific engine-code listing and the strongest of the grouped drafts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifan 1P52FMH\u003c\/strong\u003e – High. Direct engine-code target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifan 1P52FMH-C\u003c\/strong\u003e – High. Lifan\/Oriol catalogue family uses the matching head reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther 110cc Lifan-style horizontal engines\u003c\/strong\u003e – Medium. Only where the 52.4 mm head, stud pattern and valve layout match.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment is based on the engine pattern, not just the badge on the bike or ATV.\u003c\/strong\u003e Chinese manufacturers often used different engines under the same model name.\u003c\/p\u003e\u003ch3\u003eBefore Ordering – Required Checks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the engine code stamped on the crankcase. A matching \u003cstrong\u003e1P52FMH\u003c\/strong\u003e code is the strongest indicator.\u003c\/li\u003e\n\u003cli\u003eConfirm the approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e cylinder\/head family.\u003c\/li\u003e\n\u003cli\u003eCompare the four main stud holes, cam-chain opening, oil passages, intake flange and exhaust port with the photos.\u003c\/li\u003e\n\u003cli\u003eIf possible, confirm approximately \u003cstrong\u003e23 mm intake \/ 20 mm exhaust\u003c\/strong\u003e valve sizes.\u003c\/li\u003e\n\u003cli\u003eDo not assume every 110cc Chinese pit bike or ATV uses this head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer \/ OE-Style Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0201512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder head reference for 1P52FMH-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0204512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder-head gasket reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010010-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010040-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head gasket assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060100-1P50FMG\u003c\/strong\u003e – camshaft assembly family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060505-1P50FMG\u003c\/strong\u003e – intake valve family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060506-1P50FMG\u003c\/strong\u003e – exhaust valve family reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Aftermarket Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEAD04S-CSP\u003c\/strong\u003e – AB Moto Parts 52.4mm assembled 1P52FMH head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e290-259\u003c\/strong\u003e – GY6 Store 52.4mm E-22-style 110cc cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1290434946\u003c\/strong\u003e – UD Spare Parts 1P52FMH 52.4mm head\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese references are for identification only. This stock item is \u003cstrong\u003eUnbranded\u003c\/strong\u003e, so the Google Shopping MPN field is intentionally left blank.\u003c\/p\u003e\u003ch3\u003eInstallation Note\u003c\/h3\u003e\u003cp\u003eCorrect cam timing, valve clearances, gasket orientation and cylinder-head torque are essential. Rotate the engine carefully by hand after timing and before starting to confirm the valves do not contact the piston.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57412623335799,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170126.jpg?v=1787687101"},{"product_id":"kazuma-falcon-panda-lacoste-100-110-cylinder-head-gasket-kit","title":"Kazuma Falcon Panda Lacoste 100 110cc Cylinder Head Gasket Kit","description":"\u003ch2\u003eKazuma Falcon \/ Panda \/ Lacoste 110cc Cylinder Head \u0026amp; Gasket Kit\u003c\/h2\u003e\u003cp\u003eComplete aftermarket cylinder-head assembly for selected Chinese horizontal four-stroke 110cc engines. The closest technical pattern is the \u003cstrong\u003e1P52FMH \/ E-22-style 52.4 mm head family\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKit \/ Component Identification\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFinned aluminium complete cylinder-head casting\u003c\/li\u003e\n\u003cli\u003eInstalled intake and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs, retainers and internal valve hardware\u003c\/li\u003e\n\u003cli\u003eRocker-arm \/ tappet mechanism\u003c\/li\u003e\n\u003cli\u003eCamshaft \/ timing-drive components within the assembled head\u003c\/li\u003e\n\u003cli\u003eRemovable finned rocker \/ valve cover\u003c\/li\u003e\n\u003cli\u003eCylinder-head gasket and associated top-end gaskets shown with the kit\u003c\/li\u003e\n\u003cli\u003eSmall mounting studs \/ fixing hardware shown in the product set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine type: horizontal four-stroke Chinese \/ Honda-style engine\u003c\/li\u003e\n\u003cli\u003eNominal capacity: \u003cstrong\u003e110cc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrimary engine-code pattern: \u003cstrong\u003e1P52FMH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead \/ cylinder family: approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntake valve: approximately \u003cstrong\u003e23 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExhaust valve: approximately \u003cstrong\u003e20 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatching complete-head assemblies commonly use a \u003cstrong\u003e28-tooth cam timing sprocket\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eConsolidates the three Kazuma-specific drafts into one stronger make\/model listing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKazuma Falcon 110\u003c\/strong\u003e – Medium\/High. Repeated 52.4 mm head cross-fitment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKazuma Panda 100\u003c\/strong\u003e – Medium. Verify exact engine; some Panda models differ.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKazuma Panda 110\u003c\/strong\u003e – Medium. Verify engine code and stud pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKazuma Lacoste 110\u003c\/strong\u003e – Medium\/High. Repeatedly cross-listed with the 52.4 mm 110cc family.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment is based on the engine pattern, not just the badge on the bike or ATV.\u003c\/strong\u003e Chinese manufacturers often used different engines under the same model name.\u003c\/p\u003e\u003ch3\u003eBefore Ordering – Required Checks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the engine code stamped on the crankcase. A matching \u003cstrong\u003e1P52FMH\u003c\/strong\u003e code is the strongest indicator.\u003c\/li\u003e\n\u003cli\u003eConfirm the approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e cylinder\/head family.\u003c\/li\u003e\n\u003cli\u003eCompare the four main stud holes, cam-chain opening, oil passages, intake flange and exhaust port with the photos.\u003c\/li\u003e\n\u003cli\u003eIf possible, confirm approximately \u003cstrong\u003e23 mm intake \/ 20 mm exhaust\u003c\/strong\u003e valve sizes.\u003c\/li\u003e\n\u003cli\u003eDo not assume every 110cc Chinese pit bike or ATV uses this head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer \/ OE-Style Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0201512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder head reference for 1P52FMH-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0204512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder-head gasket reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010010-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010040-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head gasket assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060100-1P50FMG\u003c\/strong\u003e – camshaft assembly family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060505-1P50FMG\u003c\/strong\u003e – intake valve family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060506-1P50FMG\u003c\/strong\u003e – exhaust valve family reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Aftermarket Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEAD04S-CSP\u003c\/strong\u003e – AB Moto Parts 52.4mm assembled 1P52FMH head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e290-259\u003c\/strong\u003e – GY6 Store 52.4mm E-22-style 110cc cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1290434946\u003c\/strong\u003e – UD Spare Parts 1P52FMH 52.4mm head\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese references are for identification only. This stock item is \u003cstrong\u003eUnbranded\u003c\/strong\u003e, so the Google Shopping MPN field is intentionally left blank.\u003c\/p\u003e\u003ch3\u003eInstallation Note\u003c\/h3\u003e\u003cp\u003eCorrect cam timing, valve clearances, gasket orientation and cylinder-head torque are essential. Rotate the engine carefully by hand after timing and before starting to confirm the valves do not contact the piston.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57412623401335,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170126.jpg?v=1787687101"},{"product_id":"redcat-kmx-rfx-sfx-vx-110-cylinder-head-gasket-kit","title":"Redcat KMX RFX SFX VX 110cc Cylinder Head Gasket Kit 52.4mm","description":"\u003ch2\u003eRedcat KMX \/ RFX \/ SFX \/ VX 110 110cc Cylinder Head \u0026amp; Gasket Kit\u003c\/h2\u003e\u003cp\u003eComplete aftermarket cylinder-head assembly for selected Chinese horizontal four-stroke 110cc engines. The closest technical pattern is the \u003cstrong\u003e1P52FMH \/ E-22-style 52.4 mm head family\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKit \/ Component Identification\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFinned aluminium complete cylinder-head casting\u003c\/li\u003e\n\u003cli\u003eInstalled intake and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs, retainers and internal valve hardware\u003c\/li\u003e\n\u003cli\u003eRocker-arm \/ tappet mechanism\u003c\/li\u003e\n\u003cli\u003eCamshaft \/ timing-drive components within the assembled head\u003c\/li\u003e\n\u003cli\u003eRemovable finned rocker \/ valve cover\u003c\/li\u003e\n\u003cli\u003eCylinder-head gasket and associated top-end gaskets shown with the kit\u003c\/li\u003e\n\u003cli\u003eSmall mounting studs \/ fixing hardware shown in the product set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine type: horizontal four-stroke Chinese \/ Honda-style engine\u003c\/li\u003e\n\u003cli\u003eNominal capacity: \u003cstrong\u003e110cc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrimary engine-code pattern: \u003cstrong\u003e1P52FMH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead \/ cylinder family: approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntake valve: approximately \u003cstrong\u003e23 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExhaust valve: approximately \u003cstrong\u003e20 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatching complete-head assemblies commonly use a \u003cstrong\u003e28-tooth cam timing sprocket\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eCombines all four Redcat drafts into one model-family listing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedcat KMX-110\u003c\/strong\u003e – Medium. Linked to the Kazuma\/Panda-style 110 engine family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedcat RFX-110\u003c\/strong\u003e – Medium. Use only with matching 52.4 mm horizontal engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedcat SFX-110\u003c\/strong\u003e – Medium. Use only with matching 1P52FMH-style dimensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedcat VX-110\u003c\/strong\u003e – Medium. Use only where the head\/stud\/cam-chain layout matches.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment is based on the engine pattern, not just the badge on the bike or ATV.\u003c\/strong\u003e Chinese manufacturers often used different engines under the same model name.\u003c\/p\u003e\u003ch3\u003eBefore Ordering – Required Checks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the engine code stamped on the crankcase. A matching \u003cstrong\u003e1P52FMH\u003c\/strong\u003e code is the strongest indicator.\u003c\/li\u003e\n\u003cli\u003eConfirm the approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e cylinder\/head family.\u003c\/li\u003e\n\u003cli\u003eCompare the four main stud holes, cam-chain opening, oil passages, intake flange and exhaust port with the photos.\u003c\/li\u003e\n\u003cli\u003eIf possible, confirm approximately \u003cstrong\u003e23 mm intake \/ 20 mm exhaust\u003c\/strong\u003e valve sizes.\u003c\/li\u003e\n\u003cli\u003eDo not assume every 110cc Chinese pit bike or ATV uses this head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer \/ OE-Style Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0201512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder head reference for 1P52FMH-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0204512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder-head gasket reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010010-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010040-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head gasket assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060100-1P50FMG\u003c\/strong\u003e – camshaft assembly family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060505-1P50FMG\u003c\/strong\u003e – intake valve family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060506-1P50FMG\u003c\/strong\u003e – exhaust valve family reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Aftermarket Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEAD04S-CSP\u003c\/strong\u003e – AB Moto Parts 52.4mm assembled 1P52FMH head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e290-259\u003c\/strong\u003e – GY6 Store 52.4mm E-22-style 110cc cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1290434946\u003c\/strong\u003e – UD Spare Parts 1P52FMH 52.4mm head\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese references are for identification only. This stock item is \u003cstrong\u003eUnbranded\u003c\/strong\u003e, so the Google Shopping MPN field is intentionally left blank.\u003c\/p\u003e\u003ch3\u003eInstallation Note\u003c\/h3\u003e\u003cp\u003eCorrect cam timing, valve clearances, gasket orientation and cylinder-head torque are essential. Rotate the engine carefully by hand after timing and before starting to confirm the valves do not contact the piston.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57412623466871,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170126.jpg?v=1787687101"},{"product_id":"taotao-ssr-coolster-110-cylinder-head-gasket-kit-52-4mm","title":"TaoTao SSR Coolster 110cc Cylinder Head Gasket Kit 52.4mm","description":"\u003ch2\u003eTaoTao \/ SSR \/ Coolster 110 110cc Cylinder Head \u0026amp; Gasket Kit\u003c\/h2\u003e\u003cp\u003eComplete aftermarket cylinder-head assembly for selected Chinese horizontal four-stroke 110cc engines. The closest technical pattern is the \u003cstrong\u003e1P52FMH \/ E-22-style 52.4 mm head family\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKit \/ Component Identification\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFinned aluminium complete cylinder-head casting\u003c\/li\u003e\n\u003cli\u003eInstalled intake and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs, retainers and internal valve hardware\u003c\/li\u003e\n\u003cli\u003eRocker-arm \/ tappet mechanism\u003c\/li\u003e\n\u003cli\u003eCamshaft \/ timing-drive components within the assembled head\u003c\/li\u003e\n\u003cli\u003eRemovable finned rocker \/ valve cover\u003c\/li\u003e\n\u003cli\u003eCylinder-head gasket and associated top-end gaskets shown with the kit\u003c\/li\u003e\n\u003cli\u003eSmall mounting studs \/ fixing hardware shown in the product set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine type: horizontal four-stroke Chinese \/ Honda-style engine\u003c\/li\u003e\n\u003cli\u003eNominal capacity: \u003cstrong\u003e110cc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrimary engine-code pattern: \u003cstrong\u003e1P52FMH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead \/ cylinder family: approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntake valve: approximately \u003cstrong\u003e23 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExhaust valve: approximately \u003cstrong\u003e20 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatching complete-head assemblies commonly use a \u003cstrong\u003e28-tooth cam timing sprocket\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eCombines three of the most common Chinese 110cc cross-fitment brands into one draft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaoTao 110 ATV\u003c\/strong\u003e – Medium\/High. Frequently sold with the 52.4 mm E-22 \/ 1P52FMH-style head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSR 110 Pit Bike\u003c\/strong\u003e – Medium\/High. Repeatedly cross-listed with the same complete-head family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolster 110 ATV \/ Pit Bike\u003c\/strong\u003e – Medium\/High. Common application for this 52.4 mm Chinese 110cc head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment is based on the engine pattern, not just the badge on the bike or ATV.\u003c\/strong\u003e Chinese manufacturers often used different engines under the same model name.\u003c\/p\u003e\u003ch3\u003eBefore Ordering – Required Checks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the engine code stamped on the crankcase. A matching \u003cstrong\u003e1P52FMH\u003c\/strong\u003e code is the strongest indicator.\u003c\/li\u003e\n\u003cli\u003eConfirm the approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e cylinder\/head family.\u003c\/li\u003e\n\u003cli\u003eCompare the four main stud holes, cam-chain opening, oil passages, intake flange and exhaust port with the photos.\u003c\/li\u003e\n\u003cli\u003eIf possible, confirm approximately \u003cstrong\u003e23 mm intake \/ 20 mm exhaust\u003c\/strong\u003e valve sizes.\u003c\/li\u003e\n\u003cli\u003eDo not assume every 110cc Chinese pit bike or ATV uses this head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer \/ OE-Style Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0201512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder head reference for 1P52FMH-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0204512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder-head gasket reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010010-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010040-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head gasket assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060100-1P50FMG\u003c\/strong\u003e – camshaft assembly family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060505-1P50FMG\u003c\/strong\u003e – intake valve family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060506-1P50FMG\u003c\/strong\u003e – exhaust valve family reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Aftermarket Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEAD04S-CSP\u003c\/strong\u003e – AB Moto Parts 52.4mm assembled 1P52FMH head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e290-259\u003c\/strong\u003e – GY6 Store 52.4mm E-22-style 110cc cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1290434946\u003c\/strong\u003e – UD Spare Parts 1P52FMH 52.4mm head\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese references are for identification only. This stock item is \u003cstrong\u003eUnbranded\u003c\/strong\u003e, so the Google Shopping MPN field is intentionally left blank.\u003c\/p\u003e\u003ch3\u003eInstallation Note\u003c\/h3\u003e\u003cp\u003eCorrect cam timing, valve clearances, gasket orientation and cylinder-head torque are essential. Rotate the engine carefully by hand after timing and before starting to confirm the valves do not contact the piston.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57412623499639,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170126.jpg?v=1787687101"},{"product_id":"roketa-sunl-bms-coyote-110-cylinder-head-gasket-kit-52-4mm","title":"Roketa SunL BMS Coyote 110cc Cylinder Head Gasket Kit 52.4mm","description":"\u003ch2\u003eRoketa \/ SunL \/ BMS \/ Coyote 110 110cc Cylinder Head \u0026amp; Gasket Kit\u003c\/h2\u003e\u003cp\u003eComplete aftermarket cylinder-head assembly for selected Chinese horizontal four-stroke 110cc engines. The closest technical pattern is the \u003cstrong\u003e1P52FMH \/ E-22-style 52.4 mm head family\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKit \/ Component Identification\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFinned aluminium complete cylinder-head casting\u003c\/li\u003e\n\u003cli\u003eInstalled intake and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs, retainers and internal valve hardware\u003c\/li\u003e\n\u003cli\u003eRocker-arm \/ tappet mechanism\u003c\/li\u003e\n\u003cli\u003eCamshaft \/ timing-drive components within the assembled head\u003c\/li\u003e\n\u003cli\u003eRemovable finned rocker \/ valve cover\u003c\/li\u003e\n\u003cli\u003eCylinder-head gasket and associated top-end gaskets shown with the kit\u003c\/li\u003e\n\u003cli\u003eSmall mounting studs \/ fixing hardware shown in the product set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine type: horizontal four-stroke Chinese \/ Honda-style engine\u003c\/li\u003e\n\u003cli\u003eNominal capacity: \u003cstrong\u003e110cc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrimary engine-code pattern: \u003cstrong\u003e1P52FMH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead \/ cylinder family: approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntake valve: approximately \u003cstrong\u003e23 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExhaust valve: approximately \u003cstrong\u003e20 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatching complete-head assemblies commonly use a \u003cstrong\u003e28-tooth cam timing sprocket\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eCombines the remaining lower-volume 110cc ATV cross-fitment drafts into one controlled listing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoketa 110 ATV\u003c\/strong\u003e – Medium. Roketa used multiple engine suppliers; match the engine code and head dimensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunL 110 ATV\u003c\/strong\u003e – Medium. Cross-listed with this Chinese horizontal 110cc head family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMS \/ Boreem 110 ATV\u003c\/strong\u003e – Medium. Check 52.4 mm head and stud layout before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoyote 110 ATV\u003c\/strong\u003e – Medium. Cross-fit only where the fitted engine matches the 1P52FMH-style pattern.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment is based on the engine pattern, not just the badge on the bike or ATV.\u003c\/strong\u003e Chinese manufacturers often used different engines under the same model name.\u003c\/p\u003e\u003ch3\u003eBefore Ordering – Required Checks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the engine code stamped on the crankcase. A matching \u003cstrong\u003e1P52FMH\u003c\/strong\u003e code is the strongest indicator.\u003c\/li\u003e\n\u003cli\u003eConfirm the approximately \u003cstrong\u003e52.4 mm\u003c\/strong\u003e cylinder\/head family.\u003c\/li\u003e\n\u003cli\u003eCompare the four main stud holes, cam-chain opening, oil passages, intake flange and exhaust port with the photos.\u003c\/li\u003e\n\u003cli\u003eIf possible, confirm approximately \u003cstrong\u003e23 mm intake \/ 20 mm exhaust\u003c\/strong\u003e valve sizes.\u003c\/li\u003e\n\u003cli\u003eDo not assume every 110cc Chinese pit bike or ATV uses this head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer \/ OE-Style Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0201512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder head reference for 1P52FMH-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLE0204512150I00\u003c\/strong\u003e – Lifan\/Oriol cylinder-head gasket reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010010-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1010040-1P52FMH\u003c\/strong\u003e – 1P52FMH cylinder-head gasket assembly reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060100-1P50FMG\u003c\/strong\u003e – camshaft assembly family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060505-1P50FMG\u003c\/strong\u003e – intake valve family reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1060506-1P50FMG\u003c\/strong\u003e – exhaust valve family reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Aftermarket Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEAD04S-CSP\u003c\/strong\u003e – AB Moto Parts 52.4mm assembled 1P52FMH head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e290-259\u003c\/strong\u003e – GY6 Store 52.4mm E-22-style 110cc cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1290434946\u003c\/strong\u003e – UD Spare Parts 1P52FMH 52.4mm head\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese references are for identification only. This stock item is \u003cstrong\u003eUnbranded\u003c\/strong\u003e, so the Google Shopping MPN field is intentionally left blank.\u003c\/p\u003e\u003ch3\u003eInstallation Note\u003c\/h3\u003e\u003cp\u003eCorrect cam timing, valve clearances, gasket orientation and cylinder-head torque are essential. Rotate the engine carefully by hand after timing and before starting to confirm the valves do not contact the piston.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57412623532407,"sku":"01003-ENG","price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260823_170126.jpg?v=1787687101"},{"product_id":"stomp-yx150-yx160-pit-bike-cylinder-head-60mm","title":"Stomp YX150 YX160 Pit Bike Cylinder Head 60mm","description":"\u003cp\u003e\u003cstrong\u003eStomp YX150 YX160 Pit Bike Cylinder Head 60mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrand new replacement cylinder head for compatible \u003cstrong\u003eYX150 and YX160 horizontal pit-bike engines\u003c\/strong\u003e. Fitment is determined by the engine fitted to the bike, not by the frame badge alone.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel \/ Application\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eFitment\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStomp\u003c\/td\u003e\n\u003ctd\u003eStomp models fitted with YX150 engine\u003c\/td\u003e\n\u003ctd\u003eYX150 \/ 1P60FMJ\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eConfirm engine code\/casting before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStomp\u003c\/td\u003e\n\u003ctd\u003eStomp KZR 160 and other models fitted with YX160 engine\u003c\/td\u003e\n\u003ctd\u003eYX160 \/ 1P60FMK\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eDo not assume Z155-powered Stomp 160 models use this head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e YX150 \/ YX160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX150 engine code:\u003c\/strong\u003e 1P60FMJ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX160 engine code:\u003c\/strong\u003e 1P60FMK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston \/ bore-family compatibility:\u003c\/strong\u003e 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet valve diameter:\u003c\/strong\u003e approximately 28 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e approximately 23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake port diameter:\u003c\/strong\u003e approximately 26.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust port diameter:\u003c\/strong\u003e approximately 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead length:\u003c\/strong\u003e approximately 100 mm between machined reference faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort style:\u003c\/strong\u003e later CRF-angle YX head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e1 × cylinder head assembly supplied as shown in the product photographs.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCheck the engine code before ordering.\u003c\/strong\u003e A pit-bike model may have been supplied with different engines during its production life or may have had an engine conversion.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the YX150 \/ YX160 CRF-angle cylinder-head family. It should not be treated as a direct replacement for a Lifan 150 engine, KLX-angle head or Z155 head.\u003c\/p\u003e\n\u003cp\u003eA YX-style head can be adapted to some Z155 applications only with additional compatibility work such as the correct inlet manifold arrangement and original Z155 cam sprocket. That is a conversion, not direct fitment, and Z155 models are therefore not advertised as direct-fit applications here.\u003c\/p\u003e\n\u003cp\u003eCompare the casting, port angle, mounting points, cam arrangement and engine code with the existing cylinder head before installation.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head installation requires correct cam timing and valve-clearance adjustment. Installation should be carried out by a competent engine technician and the engine should be checked before use.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435218805111,"sku":"00741-ENG","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260828_124459.jpg?v=1788425789"},{"product_id":"demon-x-yx150-yx160-pit-bike-cylinder-head-60mm","title":"Demon X YX150 YX160 Pit Bike Cylinder Head 60mm","description":"\u003cp\u003e\u003cstrong\u003eDemon X YX150 YX160 Pit Bike Cylinder Head 60mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrand new replacement cylinder head for compatible \u003cstrong\u003eYX150 and YX160 horizontal pit-bike engines\u003c\/strong\u003e. Fitment is determined by the engine fitted to the bike, not by the frame badge alone.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel \/ Application\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eFitment\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDemon X\u003c\/td\u003e\n\u003ctd\u003eDemon X models fitted with YX150 engine\u003c\/td\u003e\n\u003ctd\u003eYX150 \/ 1P60FMJ\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eConfirm engine code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDemon X\u003c\/td\u003e\n\u003ctd\u003eDemon X \/ XLR160 fitted with YX160 engine\u003c\/td\u003e\n\u003ctd\u003eYX160 \/ 1P60FMK\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eSome later 160 models use Z155 instead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e YX150 \/ YX160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX150 engine code:\u003c\/strong\u003e 1P60FMJ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX160 engine code:\u003c\/strong\u003e 1P60FMK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston \/ bore-family compatibility:\u003c\/strong\u003e 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet valve diameter:\u003c\/strong\u003e approximately 28 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e approximately 23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake port diameter:\u003c\/strong\u003e approximately 26.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust port diameter:\u003c\/strong\u003e approximately 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead length:\u003c\/strong\u003e approximately 100 mm between machined reference faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort style:\u003c\/strong\u003e later CRF-angle YX head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e1 × cylinder head assembly supplied as shown in the product photographs.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCheck the engine code before ordering.\u003c\/strong\u003e A pit-bike model may have been supplied with different engines during its production life or may have had an engine conversion.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the YX150 \/ YX160 CRF-angle cylinder-head family. It should not be treated as a direct replacement for a Lifan 150 engine, KLX-angle head or Z155 head.\u003c\/p\u003e\n\u003cp\u003eA YX-style head can be adapted to some Z155 applications only with additional compatibility work such as the correct inlet manifold arrangement and original Z155 cam sprocket. That is a conversion, not direct fitment, and Z155 models are therefore not advertised as direct-fit applications here.\u003c\/p\u003e\n\u003cp\u003eCompare the casting, port angle, mounting points, cam arrangement and engine code with the existing cylinder head before installation.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head installation requires correct cam timing and valve-clearance adjustment. Installation should be carried out by a competent engine technician and the engine should be checked before use.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435218837879,"sku":"00741-ENG","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260828_124459.jpg?v=1788425789"},{"product_id":"wpb-yx150-yx160-pit-bike-cylinder-head-60mm","title":"WPB YX150 YX160 Pit Bike Cylinder Head 60mm","description":"\u003cp\u003e\u003cstrong\u003eWPB YX150 YX160 Pit Bike Cylinder Head 60mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrand new replacement cylinder head for compatible \u003cstrong\u003eYX150 and YX160 horizontal pit-bike engines\u003c\/strong\u003e. Fitment is determined by the engine fitted to the bike, not by the frame badge alone.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel \/ Application\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eFitment\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWPB\u003c\/td\u003e\n\u003ctd\u003eWelsh Pit Bikes \/ WPB fitted with YX150 engine\u003c\/td\u003e\n\u003ctd\u003eYX150 \/ 1P60FMJ\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eConfirm engine code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWPB\u003c\/td\u003e\n\u003ctd\u003eWPB fitted with YX160 engine\u003c\/td\u003e\n\u003ctd\u003eYX160 \/ 1P60FMK\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eDo not use this listing for Z155-powered WPB 160 without conversion checks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e YX150 \/ YX160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX150 engine code:\u003c\/strong\u003e 1P60FMJ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX160 engine code:\u003c\/strong\u003e 1P60FMK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston \/ bore-family compatibility:\u003c\/strong\u003e 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet valve diameter:\u003c\/strong\u003e approximately 28 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e approximately 23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake port diameter:\u003c\/strong\u003e approximately 26.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust port diameter:\u003c\/strong\u003e approximately 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead length:\u003c\/strong\u003e approximately 100 mm between machined reference faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort style:\u003c\/strong\u003e later CRF-angle YX head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e1 × cylinder head assembly supplied as shown in the product photographs.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCheck the engine code before ordering.\u003c\/strong\u003e A pit-bike model may have been supplied with different engines during its production life or may have had an engine conversion.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the YX150 \/ YX160 CRF-angle cylinder-head family. It should not be treated as a direct replacement for a Lifan 150 engine, KLX-angle head or Z155 head.\u003c\/p\u003e\n\u003cp\u003eA YX-style head can be adapted to some Z155 applications only with additional compatibility work such as the correct inlet manifold arrangement and original Z155 cam sprocket. That is a conversion, not direct fitment, and Z155 models are therefore not advertised as direct-fit applications here.\u003c\/p\u003e\n\u003cp\u003eCompare the casting, port angle, mounting points, cam arrangement and engine code with the existing cylinder head before installation.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head installation requires correct cam timing and valve-clearance adjustment. Installation should be carried out by a competent engine technician and the engine should be checked before use.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435218936183,"sku":"00741-ENG","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260828_124459.jpg?v=1788425789"},{"product_id":"kayo-tt160-yx160-pit-bike-cylinder-head-60mm","title":"Kayo TT160 YX160 Pit Bike Cylinder Head 60mm","description":"\u003cp\u003e\u003cstrong\u003eKayo TT160 YX160 Pit Bike Cylinder Head 60mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrand new replacement cylinder head for compatible \u003cstrong\u003eYX150 and YX160 horizontal pit-bike engines\u003c\/strong\u003e. Fitment is determined by the engine fitted to the bike, not by the frame badge alone.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel \/ Application\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eFitment\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eKayo\u003c\/td\u003e\n\u003ctd\u003eKayo TT 160\u003c\/td\u003e\n\u003ctd\u003eYX160 engine version\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eVerify YX160 \/ 1P60FMK engine before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e YX150 \/ YX160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX150 engine code:\u003c\/strong\u003e 1P60FMJ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX160 engine code:\u003c\/strong\u003e 1P60FMK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston \/ bore-family compatibility:\u003c\/strong\u003e 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet valve diameter:\u003c\/strong\u003e approximately 28 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e approximately 23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake port diameter:\u003c\/strong\u003e approximately 26.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust port diameter:\u003c\/strong\u003e approximately 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead length:\u003c\/strong\u003e approximately 100 mm between machined reference faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort style:\u003c\/strong\u003e later CRF-angle YX head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e1 × cylinder head assembly supplied as shown in the product photographs.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCheck the engine code before ordering.\u003c\/strong\u003e A pit-bike model may have been supplied with different engines during its production life or may have had an engine conversion.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the YX150 \/ YX160 CRF-angle cylinder-head family. It should not be treated as a direct replacement for a Lifan 150 engine, KLX-angle head or Z155 head.\u003c\/p\u003e\n\u003cp\u003eA YX-style head can be adapted to some Z155 applications only with additional compatibility work such as the correct inlet manifold arrangement and original Z155 cam sprocket. That is a conversion, not direct fitment, and Z155 models are therefore not advertised as direct-fit applications here.\u003c\/p\u003e\n\u003cp\u003eCompare the casting, port angle, mounting points, cam arrangement and engine code with the existing cylinder head before installation.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head installation requires correct cam timing and valve-clearance adjustment. Installation should be carried out by a competent engine technician and the engine should be checked before use.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435219067255,"sku":"00741-ENG","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260828_124459.jpg?v=1788425789"},{"product_id":"mrf160-160-r-sm-r-yx160-cylinder-head-60mm","title":"MRF160 160-R SM-R YX160 Cylinder Head 60mm","description":"\u003cp\u003e\u003cstrong\u003eMRF160 160-R SM-R YX160 Cylinder Head 60mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrand new replacement cylinder head for compatible \u003cstrong\u003eYX150 and YX160 horizontal pit-bike engines\u003c\/strong\u003e. Fitment is determined by the engine fitted to the bike, not by the frame badge alone.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel \/ Application\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eFitment\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMRF\u003c\/td\u003e\n\u003ctd\u003eMRF160 160-R\u003c\/td\u003e\n\u003ctd\u003eYX160 engine version\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eVerify engine code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMRF\u003c\/td\u003e\n\u003ctd\u003eMRF160 SM-R\u003c\/td\u003e\n\u003ctd\u003eYX160 engine version\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eVerify engine code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e YX150 \/ YX160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX150 engine code:\u003c\/strong\u003e 1P60FMJ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX160 engine code:\u003c\/strong\u003e 1P60FMK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston \/ bore-family compatibility:\u003c\/strong\u003e 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet valve diameter:\u003c\/strong\u003e approximately 28 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e approximately 23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake port diameter:\u003c\/strong\u003e approximately 26.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust port diameter:\u003c\/strong\u003e approximately 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead length:\u003c\/strong\u003e approximately 100 mm between machined reference faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort style:\u003c\/strong\u003e later CRF-angle YX head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e1 × cylinder head assembly supplied as shown in the product photographs.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCheck the engine code before ordering.\u003c\/strong\u003e A pit-bike model may have been supplied with different engines during its production life or may have had an engine conversion.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the YX150 \/ YX160 CRF-angle cylinder-head family. It should not be treated as a direct replacement for a Lifan 150 engine, KLX-angle head or Z155 head.\u003c\/p\u003e\n\u003cp\u003eA YX-style head can be adapted to some Z155 applications only with additional compatibility work such as the correct inlet manifold arrangement and original Z155 cam sprocket. That is a conversion, not direct fitment, and Z155 models are therefore not advertised as direct-fit applications here.\u003c\/p\u003e\n\u003cp\u003eCompare the casting, port angle, mounting points, cam arrangement and engine code with the existing cylinder head before installation.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head installation requires correct cam timing and valve-clearance adjustment. Installation should be carried out by a competent engine technician and the engine should be checked before use.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435219132791,"sku":"00741-ENG","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260828_124459.jpg?v=1788425789"},{"product_id":"kovi-ycf-bse-yx150-yx160-pit-bike-cylinder-head-60mm","title":"Kovi YCF BSE YX150 YX160 Pit Bike Cylinder Head 60mm","description":"\u003cp\u003e\u003cstrong\u003eKovi YCF BSE YX150 YX160 Pit Bike Cylinder Head 60mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrand new replacement cylinder head for compatible \u003cstrong\u003eYX150 and YX160 horizontal pit-bike engines\u003c\/strong\u003e. Fitment is determined by the engine fitted to the bike, not by the frame badge alone.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel \/ Application\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eFitment\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eKovi \/ YCF \/ BSE\u003c\/td\u003e\n\u003ctd\u003eKovi pit bikes fitted with YX150 \/ YX160\u003c\/td\u003e\n\u003ctd\u003e1P60FMJ \/ 1P60FMK\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eEngine-code fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKovi \/ YCF \/ BSE\u003c\/td\u003e\n\u003ctd\u003eYCF pit bikes fitted with YX150 \/ YX160\u003c\/td\u003e\n\u003ctd\u003e1P60FMJ \/ 1P60FMK\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eEngine-code fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKovi \/ YCF \/ BSE\u003c\/td\u003e\n\u003ctd\u003eBSE pit bikes fitted with YX150 \/ YX160\u003c\/td\u003e\n\u003ctd\u003e1P60FMJ \/ 1P60FMK\u003c\/td\u003e\n\u003ctd\u003eDirect\u003c\/td\u003e\n\u003ctd\u003eEngine-code fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e YX150 \/ YX160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX150 engine code:\u003c\/strong\u003e 1P60FMJ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYX160 engine code:\u003c\/strong\u003e 1P60FMK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston \/ bore-family compatibility:\u003c\/strong\u003e 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet valve diameter:\u003c\/strong\u003e approximately 28 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e approximately 23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake port diameter:\u003c\/strong\u003e approximately 26.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust port diameter:\u003c\/strong\u003e approximately 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead length:\u003c\/strong\u003e approximately 100 mm between machined reference faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort style:\u003c\/strong\u003e later CRF-angle YX head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e1 × cylinder head assembly supplied as shown in the product photographs.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCheck the engine code before ordering.\u003c\/strong\u003e A pit-bike model may have been supplied with different engines during its production life or may have had an engine conversion.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the YX150 \/ YX160 CRF-angle cylinder-head family. It should not be treated as a direct replacement for a Lifan 150 engine, KLX-angle head or Z155 head.\u003c\/p\u003e\n\u003cp\u003eA YX-style head can be adapted to some Z155 applications only with additional compatibility work such as the correct inlet manifold arrangement and original Z155 cam sprocket. That is a conversion, not direct fitment, and Z155 models are therefore not advertised as direct-fit applications here.\u003c\/p\u003e\n\u003cp\u003eCompare the casting, port angle, mounting points, cam arrangement and engine code with the existing cylinder head before installation.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head installation requires correct cam timing and valve-clearance adjustment. Installation should be carried out by a competent engine technician and the engine should be checked before use.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435219165559,"sku":"00741-ENG","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260828_124459.jpg?v=1788425789"},{"product_id":"yamaha-xt125r-xt125x-cylinder-head-with-valves-5vl-e1111-11","title":"Yamaha XT125R XT125X Cylinder Head with Valves 5VL-E1111-11","description":"\u003ch2\u003eYamaha XT125R XT125X Cylinder Head with Valves 5VL-E1111-11\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket cylinder head assembly with valves for compatible Yamaha XT125R \/ XT125X models. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears \/ Application\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eXT125R \/ XT125X\u003c\/td\u003e\n\u003ctd\u003e2007–2008 and selected 2011 applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eYamaha catalogues confirm 5VL-E1111-11 on XT125R\/XT125X 2007–2008, with Yamaha parts listings also showing selected 2011 applications. Earlier 2005 XT125R\/XT125X models use a different 5HH-E1111 head family.\u003c\/p\u003e\n\n\u003ch3\u003eOE \/ OEM Cross-Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5VL-E1111-11\u003c\/li\u003e\n\u003cli\u003e5VL-E1111-11-00\u003c\/li\u003e\n\u003cli\u003e5VL-E1111-10 — earlier\/superseded reference within this head family\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Yamaha numbers are compatibility cross-references. The supplied cylinder head is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder head assembly with valves\u003c\/li\u003e\n\u003cli\u003eNew aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSupplied as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eCompare the complete head casting, valve arrangement, inlet and exhaust ports, side-cover arrangement, mounting points and any emissions\/EGR port provision with the cylinder head currently fitted before ordering. Yamaha used different cylinder-head families on closely related 125cc models and years.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435249377655,"sku":"01019-ENG","price":90.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_150747.png?v=1788426724"},{"product_id":"yamaha-raptor-125-yfm125r-cylinder-head-with-valves-2011-2013","title":"Yamaha Raptor 125 YFM125R Cylinder Head with Valves 2011-2013","description":"\u003ch2\u003eYamaha Raptor 125 YFM125R Cylinder Head with Valves 2011-2013\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket cylinder head assembly with valves for compatible Yamaha Raptor 125 \/ YFM125R models. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears \/ Application\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eRaptor 125 \/ YFM125R\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eYamaha's OEM parts diagrams list 5VL-E1111-11-00 as the cylinder head for Raptor 125 \/ YFM125R models from 2011 through 2013.\u003c\/p\u003e\n\n\u003ch3\u003eOE \/ OEM Cross-Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5VL-E1111-11\u003c\/li\u003e\n\u003cli\u003e5VL-E1111-11-00\u003c\/li\u003e\n\u003cli\u003e5VL-E1111-10 — earlier\/superseded reference within this head family\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Yamaha numbers are compatibility cross-references. The supplied cylinder head is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder head assembly with valves\u003c\/li\u003e\n\u003cli\u003eNew aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSupplied as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eCompare the complete head casting, valve arrangement, inlet and exhaust ports, side-cover arrangement, mounting points and any emissions\/EGR port provision with the cylinder head currently fitted before ordering. Yamaha used different cylinder-head families on closely related 125cc models and years.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435249410423,"sku":"01019-ENG","price":90.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_150747.png?v=1788426724"},{"product_id":"cylinder-barrel-kit-yamaha-pw50-60cc-big-bore-head-piston-py-qt-pw-50-60-cc","title":"Yamaha PW50 60cc Big Bore Cylinder Head Piston Kit 44mm 1981-2026","description":"\u003ch2\u003eYamaha PW50 60cc Big Bore Cylinder Head \u0026amp; Piston Kit – 44mm\u003c\/h2\u003e\n\u003cp\u003eNew aftermarket 44 mm big-bore top-end kit for Yamaha PW50 engines. The kit increases the standard 40 mm bore to 44 mm, giving a nominal 60 cc conversion while retaining the PW50's 39.2 mm stroke.\u003c\/p\u003e\n\n\u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Cylinder, head and piston big-bore top-end kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal capacity:\u003c\/strong\u003e 60 cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 44 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard bore replaced:\u003c\/strong\u003e 40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine type:\u003c\/strong\u003e 2-stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Aftermarket big-bore conversion \/ replacement kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003ePW50 \/ PeeWee 50\u003c\/td\u003e\n\u003ctd\u003e1981–2026\u003c\/td\u003e\n\u003ctd\u003e44 mm \/ nominal 60 cc big-bore top-end conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eYamaha \/ Application Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePW50 standard cylinder:\u003c\/strong\u003e 4J2-11311-01 \/ 4J21131101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarlier PW50 cylinder reference:\u003c\/strong\u003e 4J2-11311-00 \/ 4J21131100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePW50 cylinder head:\u003c\/strong\u003e 4J2-11111-01 \/ 4J21111101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarlier cylinder-head reference:\u003c\/strong\u003e 4J2-11111-00 \/ 4J21111100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder-head gasket:\u003c\/strong\u003e 517-11181-01 \/ 5171118101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder base gasket:\u003c\/strong\u003e 3PT-11351-00 \/ 3PT1135100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder studs:\u003c\/strong\u003e 90116-06418 \/ 9011606418\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange nuts:\u003c\/strong\u003e 95707-06500 \/ 9570706500\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are Yamaha application\/reference numbers for the standard components that this big-bore conversion replaces or interfaces with. The supplied kit is an unbranded aftermarket 44 mm conversion kit and is not described as a Genuine Yamaha part.\u003c\/p\u003e\n\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal displacement\u003c\/th\u003e\n\u003ctd\u003e60 cc big-bore conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003ctd\u003e44.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard PW50 bore\u003c\/th\u003e\n\u003ctd\u003e40.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePW50 stroke\u003c\/th\u003e\n\u003ctd\u003e39.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference cylinder outside width\u003c\/th\u003e\n\u003ctd\u003eapproximately 51 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference cylinder total height\u003c\/th\u003e\n\u003ctd\u003eapproximately 87.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference cylinder section length\u003c\/th\u003e\n\u003ctd\u003eapproximately 64 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine type\u003c\/th\u003e\n\u003ctd\u003eAir-cooled 2-stroke single-cylinder application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 44 mm cylinder block\u003c\/li\u003e\n\u003cli\u003e1 × cylinder head\u003c\/li\u003e\n\u003cli\u003e1 × 44 mm piston\u003c\/li\u003e\n\u003cli\u003e1 × piston ring set\u003c\/li\u003e\n\u003cli\u003e1 × piston pin\u003c\/li\u003e\n\u003cli\u003e2 × piston circlips\u003c\/li\u003e\n\u003cli\u003e1 × small-end \/ needle bearing\u003c\/li\u003e\n\u003cli\u003e1 × cylinder-head gasket\u003c\/li\u003e\n\u003cli\u003e1 × cylinder-base gasket\u003c\/li\u003e\n\u003cli\u003e4 × cylinder studs\u003c\/li\u003e\n\u003cli\u003e4 × stud nuts\u003c\/li\u003e\n\u003cli\u003e1 × spark plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eContents are based on the supplied kit listing and matching 44 mm PW50\/QT50 big-bore kit specifications.\u003c\/p\u003e\n\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm the original engine configuration before ordering.\u003c\/strong\u003e Yamaha's current 2026 PW50 continues to use the standard 40.0 × 39.2 mm engine dimensions, and the long-running 4J2 cylinder\/head family remains the relevant base-engine reference. This is a 44 mm big-bore conversion kit, not a standard 40 mm replacement cylinder. Compare the cylinder, stud pattern, gasket shape and top-end components with the engine currently fitted.\u003c\/p\u003e\n\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNew.\u003c\/strong\u003e Unused aftermarket replacement \/ upgrade engine components.\u003c\/p\u003e\n\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435344503159,"sku":"01220-ENG","price":42.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_151637.png?v=1788428682"},{"product_id":"yamaha-qt50-60cc-big-bore-cylinder-head-piston-kit-44mm-1979-1987","title":"Yamaha QT50 60cc Big Bore Cylinder Head Piston Kit 44mm 1979-1987","description":"\u003ch2\u003eYamaha QT50 60cc Big Bore Cylinder Head \u0026amp; Piston Kit 1979–1987 – 44mm\u003c\/h2\u003e\n\u003cp\u003eNew aftermarket 44 mm big-bore cylinder, head and piston kit for Yamaha QT50 applications. Matching aftermarket catalogues list this 44 mm \/ nominal 60 cc top-end conversion for QT50 1979–1987.\u003c\/p\u003e\n\n\u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Cylinder, head and piston big-bore top-end kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal capacity:\u003c\/strong\u003e 60 cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 44 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard bore replaced:\u003c\/strong\u003e 40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine type:\u003c\/strong\u003e 2-stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Aftermarket big-bore conversion \/ replacement kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eQT50\u003c\/td\u003e\n\u003ctd\u003e1979–1987\u003c\/td\u003e\n\u003ctd\u003e44 mm \/ nominal 60 cc big-bore top-end conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eYamaha \/ Application Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePW50 standard cylinder:\u003c\/strong\u003e 4J2-11311-01 \/ 4J21131101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarlier PW50 cylinder reference:\u003c\/strong\u003e 4J2-11311-00 \/ 4J21131100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePW50 cylinder head:\u003c\/strong\u003e 4J2-11111-01 \/ 4J21111101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarlier cylinder-head reference:\u003c\/strong\u003e 4J2-11111-00 \/ 4J21111100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder-head gasket:\u003c\/strong\u003e 517-11181-01 \/ 5171118101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder base gasket:\u003c\/strong\u003e 3PT-11351-00 \/ 3PT1135100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder studs:\u003c\/strong\u003e 90116-06418 \/ 9011606418\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange nuts:\u003c\/strong\u003e 95707-06500 \/ 9570706500\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are Yamaha application\/reference numbers for the standard components that this big-bore conversion replaces or interfaces with. The supplied kit is an unbranded aftermarket 44 mm conversion kit and is not described as a Genuine Yamaha part.\u003c\/p\u003e\n\n\n\u003ch3\u003eReference Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal displacement\u003c\/th\u003e\n\u003ctd\u003e60 cc big-bore conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003ctd\u003e44.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard PW50 bore\u003c\/th\u003e\n\u003ctd\u003e40.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePW50 stroke\u003c\/th\u003e\n\u003ctd\u003e39.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference cylinder outside width\u003c\/th\u003e\n\u003ctd\u003eapproximately 51 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference cylinder total height\u003c\/th\u003e\n\u003ctd\u003eapproximately 87.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference cylinder section length\u003c\/th\u003e\n\u003ctd\u003eapproximately 64 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine type\u003c\/th\u003e\n\u003ctd\u003eAir-cooled 2-stroke single-cylinder application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 44 mm cylinder block\u003c\/li\u003e\n\u003cli\u003e1 × cylinder head\u003c\/li\u003e\n\u003cli\u003e1 × 44 mm piston\u003c\/li\u003e\n\u003cli\u003e1 × piston ring set\u003c\/li\u003e\n\u003cli\u003e1 × piston pin\u003c\/li\u003e\n\u003cli\u003e2 × piston circlips\u003c\/li\u003e\n\u003cli\u003e1 × small-end \/ needle bearing\u003c\/li\u003e\n\u003cli\u003e1 × cylinder-head gasket\u003c\/li\u003e\n\u003cli\u003e1 × cylinder-base gasket\u003c\/li\u003e\n\u003cli\u003e4 × cylinder studs\u003c\/li\u003e\n\u003cli\u003e4 × stud nuts\u003c\/li\u003e\n\u003cli\u003e1 × spark plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eContents are based on the supplied kit listing and matching 44 mm PW50\/QT50 big-bore kit specifications.\u003c\/p\u003e\n\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm the original engine configuration before ordering.\u003c\/strong\u003e QT50 specification and previous engine modifications can vary, so match the original cylinder, head, stud spacing and gasket profile before fitting. This is a 44 mm big-bore conversion kit, not a standard 40 mm replacement cylinder. Compare the cylinder, stud pattern, gasket shape and top-end components with the engine currently fitted.\u003c\/p\u003e\n\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNew.\u003c\/strong\u003e Unused aftermarket replacement \/ upgrade engine components.\u003c\/p\u003e\n\n\n\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the item being returned in its original condition\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57435344863607,"sku":"01220-ENG","price":42.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_151637_da322182-68ba-48c1-bf18-057c097934f5.png?v=1788428684"},{"product_id":"ajs-exactly-modena-125-152qmi-cylinder-head-valves","title":"AJS Exactly 125 Modena 125 Cylinder Head with Valves 152QMI","description":"\u003ch2\u003eAJS Exactly 125 Modena 125 Cylinder Head with Valves 152QMI\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible AJS 125 models applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAJS\u003c\/td\u003e\n\u003ctd\u003eExactly 125\u003c\/td\u003e\n\u003ctd\u003eLJ125T-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAJS\u003c\/td\u003e\n\u003ctd\u003eModena 125\u003c\/td\u003e\n\u003ctd\u003eZN125T-27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57485810565495,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"direct-bikes-125-152qmi-cylinder-head-valves","title":"Direct Bikes 125 Cylinder Head Cobra Cruiser Milan Viper 152QMI","description":"\u003ch2\u003eDirect Bikes 125 Cylinder Head Cobra Cruiser Milan Viper 152QMI\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible Direct Bikes 125 models applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eCobra E3\u003c\/td\u003e\n\u003ctd\u003eDB125T-15D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eCruiser E3\u003c\/td\u003e\n\u003ctd\u003eDB125T-7 \/ DB125T-7H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eLynx E3\u003c\/td\u003e\n\u003ctd\u003eDB125T-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eMilan E3\u003c\/td\u003e\n\u003ctd\u003eDB125T-30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eScorpion E3\u003c\/td\u003e\n\u003ctd\u003eDB125T-32A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eSports E3\u003c\/td\u003e\n\u003ctd\u003eDB125T-26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eSpyder E3\u003c\/td\u003e\n\u003ctd\u003eDB125T-22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eTommy E3\u003c\/td\u003e\n\u003ctd\u003e152QMI application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Bikes\u003c\/td\u003e\n\u003ctd\u003eViper \/ Viper E3\u003c\/td\u003e\n\u003ctd\u003eDB125T-32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57485810991479,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"lifan-aero-125-lf125t-26-152qmi-cylinder-head","title":"Lifan Aero 125 LF125T-26 Cylinder Head with Valves 152QMI","description":"\u003ch2\u003eLifan Aero 125 LF125T-26 Cylinder Head with Valves 152QMI\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible Lifan Aero 125 applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eLifan\u003c\/td\u003e\n\u003ctd\u003eAero 125\u003c\/td\u003e\n\u003ctd\u003eLF125T-26\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57485811351927,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"wk-bellissima-125-ht125t-12-152qmi-cylinder-head","title":"WK Bellissima 125 HT125T-12 Cylinder Head with Valves 152QMI","description":"\u003ch2\u003eWK Bellissima 125 HT125T-12 Cylinder Head with Valves 152QMI\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible WK Bellissima 125 applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eWK Bikes\u003c\/td\u003e\n\u003ctd\u003eBellissima 125\u003c\/td\u003e\n\u003ctd\u003eHT125T-12\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57485811450231,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"yiben-125-152qmi-cylinder-head-gladiator-hurricane-strider-zoom","title":"Yiben 125 Cylinder Head Gladiator Hurricane Strider Striker Zoom","description":"\u003ch2\u003eYiben 125 Cylinder Head Gladiator Hurricane Strider Striker Zoom\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible Yiben 125 models applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYiben\u003c\/td\u003e\n\u003ctd\u003eGladiator 125\u003c\/td\u003e\n\u003ctd\u003eYB125T-15(B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYiben\u003c\/td\u003e\n\u003ctd\u003eHurricane 125\u003c\/td\u003e\n\u003ctd\u003eYB125T-22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYiben\u003c\/td\u003e\n\u003ctd\u003eStrider 125\u003c\/td\u003e\n\u003ctd\u003eYB125T-15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYiben\u003c\/td\u003e\n\u003ctd\u003eStriker 125\u003c\/td\u003e\n\u003ctd\u003eYB125T-22D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYiben\u003c\/td\u003e\n\u003ctd\u003eZoom 125\u003c\/td\u003e\n\u003ctd\u003eYB125T-22C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57485811614071,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"sukida-125-152qmi-cylinder-head-alien-commander-viper","title":"Sukida 125 Cylinder Head Alien Commander Sportman Viper 152QMI","description":"\u003ch2\u003eSukida 125 Cylinder Head Alien Commander Sportman Viper 152QMI\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket complete cylinder head assembly with valves and valve springs for compatible Sukida 125 models applications using the GY6 125cc \/ 152QMI engine family. Supplied as pictured.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs and fitted valve-train components as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSukida\u003c\/td\u003e\n\u003ctd\u003eAlien 125\u003c\/td\u003e\n\u003ctd\u003eSK125T-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSukida\u003c\/td\u003e\n\u003ctd\u003eCommander\u003c\/td\u003e\n\u003ctd\u003eSK125T-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSukida\u003c\/td\u003e\n\u003ctd\u003eSportman 2\u003c\/td\u003e\n\u003ctd\u003eSK125T-21-SM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSukida\u003c\/td\u003e\n\u003ctd\u003eViper 125\u003c\/td\u003e\n\u003ctd\u003eSK125T-21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReference Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: GY6 125cc \/ 152QMI\u003c\/li\u003e\n\u003cli\u003eValve train: SOHC, 2-valve type\u003c\/li\u003e\n\u003cli\u003eCommon catalogue-equivalent head uses an emissions \/ EGR \/ SLS port\u003c\/li\u003e\n\u003cli\u003eCommon catalogue valve sizes: approximately 25 mm inlet and 23 mm exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eGY6 125 engines were produced in several cylinder-head configurations. Before ordering, compare the complete casting, cylinder-head stud spacing, inlet and exhaust ports, rocker-cover pattern and especially the emissions \/ EGR \/ SLS port arrangement with the head currently fitted.\u003c\/p\u003e\n\n\u003cp\u003eDo not order solely by engine capacity or scooter model name. Some 152QMI and 152QMI-A applications use a different cylinder-head casting or valve-train arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Information\u003c\/h3\u003e\n\u003cp\u003eA common catalogue equivalent for this fitment family is CMPO CYLH006 \/ reference 120800050. These are compatibility references only; the supplied product is aftermarket and no manufacturer part number (MPN) is stated.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head assembly.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57485811777911,"sku":"01875-ENG","price":38.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260831_153356.png?v=1790157048"},{"product_id":"cylinder-head-complete-k157fmi-camshaft-valves-springs-silver-02268-eng","title":"K157FMI Complete Cylinder Head Camshaft Valves Springs Silver – Carb Models","description":"\u003ch2\u003eK157FMI Complete Cylinder Head Camshaft Valves Springs Silver – Carb Models\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible K157FMI-pattern 125cc four-stroke engines. This listing is intended for the older carburettor \/ Euro 3 head family unless stated otherwise.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly the components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless visible with the item supplied.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Specification Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: K157FMI \/ Suzuki GS-pattern Chinese 125cc engine\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single-cylinder, four-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI cylinder-head valve sizes: approximately 27 mm inlet \/ 25 mm exhaust on common versions\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard K157FMI 125cc air-cooled OHC engines using the matching Euro 3 \/ carburettor cylinder-head layout\u003c\/li\u003e\n\u003cli\u003eK157FMI Suzuki GS-pattern 57 x 48.8 mm engine family where the head casting, ports and cam\/timing layout match\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis listing is for the older carburettor-type K157FMI head family.\u003c\/li\u003e\n\u003cli\u003eDo not assume fitment to K157FMI-E \/ Euro 4 \/ EFI engines: later EFI engines have their own cylinder-head assemblies and emissions hardware.\u003c\/li\u003e\n\u003cli\u003eK157FMI engines were produced in several head\/intake configurations, including versions with secondary-air provisions and different covers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCheck the complete engine code and the original head before ordering.\u003c\/strong\u003e Confirm the cylinder-head stud layout, camshaft\/timing arrangement, inlet and exhaust ports, any secondary-air connection, tachometer-drive provision and rocker-cover mounting pattern.\u003c\/p\u003e\n\n\u003ch3\u003eEFI \/ Euro 4 Warning\u003c\/h3\u003e\n\u003cp\u003eThe later \u003cstrong\u003eK157FMI-E\u003c\/strong\u003e engine family is catalogued with a separate cylinder-head assembly. Do not assume this older K157FMI carburettor head is interchangeable with K157FMI-E, EFI or Euro 4 versions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket surfaces and the correct torque procedure. Inspect the piston, cylinder, cam chain, tensioner and oilways before assembly. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with the measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57499697873271,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"honda-c50-cub-50cc-cylinder-head-barrel-39mm-02279-eng","title":"Honda C50 Cub 50cc Cylinder Head \u0026 Barrel 39mm Top End Replacement","description":"\u003ch2\u003eHonda C50 Cub 50cc Cylinder Head \u0026amp; Barrel\u003c\/h2\u003e\n\u003cp\u003eBrand new aftermarket replacement cylinder head and cylinder \/ barrel for selected Honda C50 Cub 50cc horizontal engines.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApplication: Honda C50 Cub 50cc\u003c\/li\u003e\n\u003cli\u003eTop-end type: Cylinder head and cylinder \/ barrel\u003c\/li\u003e\n\u003cli\u003eReference standard bore: 39 mm\u003c\/li\u003e\n\u003cli\u003eReference displacement: approximately 48-50cc\u003c\/li\u003e\n\u003cli\u003eEngine type: Horizontal single-cylinder 4-stroke\u003c\/li\u003e\n\u003cli\u003eSKU: 02279-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHonda C50 Cub – selected 50cc horizontal-engine models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOEM \/ Comparison References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHonda cylinder reference: 12101-GB2-000\u003c\/li\u003e\n\u003cli\u003eHonda cylinder head reference: 12200-GB2-020\u003c\/li\u003e\n\u003cli\u003eLater Honda C50 cylinder-head reference: 12200-GK4-761\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eHonda C50 engines were produced in several 6V and 12V versions and the top-end design can vary by year and market. Please compare the bore size, cam-chain arrangement, mounting studs and cylinder-head layout with your original engine before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis listing is for the cylinder head and cylinder \/ barrel only unless additional parts are physically supplied with SKU 02279-ENG.\u003c\/strong\u003e Piston, rings, pin, gaskets, valves, camshaft and other top-end components are not claimed as included unless shown with your stock.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new aftermarket replacement component.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57503233081719,"sku":"02279-ENG","price":49.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_151735.jpg?v=1790782130"},{"product_id":"sinnis-k157fmi-cylinder-head-apache-blade-max-cafe-retrostar-02268-eng","title":"K157FMI Cylinder Head for Sinnis Apache Blade Max II Cafe Retrostar","description":"\u003ch2\u003eK157FMI Cylinder Head for Sinnis Apache Blade Max II Cafe Retrostar\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible K157FMI-pattern 125cc four-stroke engines. This listing is intended for the older carburettor \/ Euro 3 head family unless stated otherwise.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly the components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless visible with the item supplied.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Specification Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: K157FMI \/ Suzuki GS-pattern Chinese 125cc engine\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single-cylinder, four-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI cylinder-head valve sizes: approximately 27 mm inlet \/ 25 mm exhaust on common versions\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSinnis Apache 125 \/ QM125GY-2B — K157FMI carburettor versions\u003c\/li\u003e\n\u003cli\u003eSinnis Blade 125 \/ QM125GY — K157FMI carburettor versions\u003c\/li\u003e\n\u003cli\u003eSinnis Max II 125 \/ QM125-2V — K157FMI versions\u003c\/li\u003e\n\u003cli\u003eSinnis Cafe 125 \/ QM125-2X — K157FMI versions\u003c\/li\u003e\n\u003cli\u003eSinnis Retrostar 125 \/ QM125-2X-R — K157FMI versions\u003c\/li\u003e\n\u003cli\u003eSinnis Scrambler \/ QM125-2X-E — K157FMI carburettor versions\u003c\/li\u003e\n\u003cli\u003eSinnis Stealth 125 \/ QM125-2D — K157FMI versions\u003c\/li\u003e\n\u003cli\u003eSinnis Trackstar 125 \/ QM125GY-2D — K157FMI versions\u003c\/li\u003e\n\u003cli\u003eSinnis Vista \/ QM125-2C — K157FMI versions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSinnis parts catalogues group these models under the standard K157FMI engine and list a silver K157FMI cylinder-head assembly.\u003c\/li\u003e\n\u003cli\u003eLater K157FMI-E \/ EFI \/ Euro 4 Sinnis engines use a separate cylinder-head family and are not included in this listing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCheck the complete engine code and the original head before ordering.\u003c\/strong\u003e Confirm the cylinder-head stud layout, camshaft\/timing arrangement, inlet and exhaust ports, any secondary-air connection, tachometer-drive provision and rocker-cover mounting pattern.\u003c\/p\u003e\n\n\u003ch3\u003eEFI \/ Euro 4 Warning\u003c\/h3\u003e\n\u003cp\u003eThe later \u003cstrong\u003eK157FMI-E\u003c\/strong\u003e engine family is catalogued with a separate cylinder-head assembly. Do not assume this older K157FMI carburettor head is interchangeable with K157FMI-E, EFI or Euro 4 versions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket surfaces and the correct torque procedure. Inspect the piston, cylinder, cam chain, tensioner and oilways before assembly. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with the measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504570081655,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"lexmoto-adrenaline-valiant-k157fmi-cylinder-head-carb-02268-eng","title":"K157FMI Cylinder Head for Lexmoto Adrenaline \/ Valiant 125 Carb","description":"\u003ch2\u003eK157FMI Cylinder Head for Lexmoto Adrenaline \/ Valiant 125 Carb\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible K157FMI-pattern 125cc four-stroke engines. This listing is intended for the older carburettor \/ Euro 3 head family unless stated otherwise.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly the components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless visible with the item supplied.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Specification Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: K157FMI \/ Suzuki GS-pattern Chinese 125cc engine\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single-cylinder, four-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI cylinder-head valve sizes: approximately 27 mm inlet \/ 25 mm exhaust on common versions\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLexmoto Adrenaline 125 \/ XFLM125GY-2B — carburettor K157FMI version\u003c\/li\u003e\n\u003cli\u003eLexmoto Valiant 125 \/ XF125R — carburettor K157FMI version\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe carburettor Adrenaline and Valiant use the K157FMI engine family.\u003c\/li\u003e\n\u003cli\u003eDo not use this listing for Adrenaline EFI XFLM125GY-2B-E4 or Valiant EFI XF125R-E4 without independently confirming the later K157FMI-E head configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCheck the complete engine code and the original head before ordering.\u003c\/strong\u003e Confirm the cylinder-head stud layout, camshaft\/timing arrangement, inlet and exhaust ports, any secondary-air connection, tachometer-drive provision and rocker-cover mounting pattern.\u003c\/p\u003e\n\n\u003ch3\u003eEFI \/ Euro 4 Warning\u003c\/h3\u003e\n\u003cp\u003eThe later \u003cstrong\u003eK157FMI-E\u003c\/strong\u003e engine family is catalogued with a separate cylinder-head assembly. Do not assume this older K157FMI carburettor head is interchangeable with K157FMI-E, EFI or Euro 4 versions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket surfaces and the correct torque procedure. Inspect the piston, cylinder, cam chain, tensioner and oilways before assembly. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with the measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504570114423,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"pulse-adrenaline-superbyke-rmr-rsr-k157fmi-cylinder-head-02268-eng","title":"K157FMI Cylinder Head for Pulse Adrenaline \/ Superbyke RMR RSR 125","description":"\u003ch2\u003eK157FMI Cylinder Head for Pulse Adrenaline \/ Superbyke RMR RSR 125\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible K157FMI-pattern 125cc four-stroke engines. This listing is intended for the older carburettor \/ Euro 3 head family unless stated otherwise.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly the components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless visible with the item supplied.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Specification Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: K157FMI \/ Suzuki GS-pattern Chinese 125cc engine\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single-cylinder, four-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI cylinder-head valve sizes: approximately 27 mm inlet \/ 25 mm exhaust on common versions\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePulse Adrenaline 125 \/ XF125GY-2B — carburettor K157FMI version\u003c\/li\u003e\n\u003cli\u003eSuperbyke RMR 125 \/ RMR125 — K157FMI version\u003c\/li\u003e\n\u003cli\u003eSuperbyke RSR125 — K157FMI version\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThese applications are cross-referenced to the K157FMI engine and cylinder-head family.\u003c\/li\u003e\n\u003cli\u003eConfirm the original head casting, intake arrangement and emissions ports before fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCheck the complete engine code and the original head before ordering.\u003c\/strong\u003e Confirm the cylinder-head stud layout, camshaft\/timing arrangement, inlet and exhaust ports, any secondary-air connection, tachometer-drive provision and rocker-cover mounting pattern.\u003c\/p\u003e\n\n\u003ch3\u003eEFI \/ Euro 4 Warning\u003c\/h3\u003e\n\u003cp\u003eThe later \u003cstrong\u003eK157FMI-E\u003c\/strong\u003e engine family is catalogued with a separate cylinder-head assembly. Do not assume this older K157FMI carburettor head is interchangeable with K157FMI-E, EFI or Euro 4 versions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket surfaces and the correct torque procedure. Inspect the piston, cylinder, cam chain, tensioner and oilways before assembly. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with the measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504570638711,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"direct-bikes-enduro-hurricane-k157fmi-cylinder-head-02268-eng","title":"K157FMI Cylinder Head for Direct Bikes Enduro S \/ Hurricane 125 E3","description":"\u003ch2\u003eK157FMI Cylinder Head for Direct Bikes Enduro S \/ Hurricane 125 E3\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible K157FMI-pattern 125cc four-stroke engines. This listing is intended for the older carburettor \/ Euro 3 head family unless stated otherwise.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly the components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless visible with the item supplied.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Specification Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: K157FMI \/ Suzuki GS-pattern Chinese 125cc engine\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single-cylinder, four-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI cylinder-head valve sizes: approximately 27 mm inlet \/ 25 mm exhaust on common versions\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Bikes 125cc Enduro S E3 \/ DB125GY-2B — K157FMI application\u003c\/li\u003e\n\u003cli\u003eDirect Bikes 125cc Hurricane E3 \/ DB125R — K157FMI application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFitment is for the Euro 3 K157FMI engine configuration.\u003c\/li\u003e\n\u003cli\u003eCompare the head casting, inlet and exhaust ports, cam layout and rocker-cover pattern with the original.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCheck the complete engine code and the original head before ordering.\u003c\/strong\u003e Confirm the cylinder-head stud layout, camshaft\/timing arrangement, inlet and exhaust ports, any secondary-air connection, tachometer-drive provision and rocker-cover mounting pattern.\u003c\/p\u003e\n\n\u003ch3\u003eEFI \/ Euro 4 Warning\u003c\/h3\u003e\n\u003cp\u003eThe later \u003cstrong\u003eK157FMI-E\u003c\/strong\u003e engine family is catalogued with a separate cylinder-head assembly. Do not assume this older K157FMI carburettor head is interchangeable with K157FMI-E, EFI or Euro 4 versions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket surfaces and the correct torque procedure. Inspect the piston, cylinder, cam chain, tensioner and oilways before assembly. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with the measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504570704247,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"suzuki-en125-2-en125-2a-k157fmi-style-cylinder-head-02268-eng","title":"K157FMI-Style Cylinder Head for Suzuki EN125-2 \/ EN125-2A","description":"\u003ch2\u003eK157FMI-Style Cylinder Head for Suzuki EN125-2 \/ EN125-2A\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible K157FMI-pattern 125cc four-stroke engines. This listing is intended for the older carburettor \/ Euro 3 head family unless stated otherwise.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly the components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless visible with the item supplied.\u003c\/p\u003e\n\n\u003ch3\u003eEngine Specification Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: K157FMI \/ Suzuki GS-pattern Chinese 125cc engine\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single-cylinder, four-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eTypical K157FMI cylinder-head valve sizes: approximately 27 mm inlet \/ 25 mm exhaust on common versions\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuzuki EN125-2 — applications cross-referenced to the K157FMI-pattern cylinder head\u003c\/li\u003e\n\u003cli\u003eSuzuki EN125-2A — applications cross-referenced to the K157FMI-pattern cylinder head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket K157FMI cylinder-head catalogues cross-reference the EN125-2 and EN125-2A, but Suzuki-market specifications can vary.\u003c\/li\u003e\n\u003cli\u003eFor a genuine Suzuki motorcycle, compare the original casting, cam\/tachometer arrangement, port layout and cover mounting before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCheck the complete engine code and the original head before ordering.\u003c\/strong\u003e Confirm the cylinder-head stud layout, camshaft\/timing arrangement, inlet and exhaust ports, any secondary-air connection, tachometer-drive provision and rocker-cover mounting pattern.\u003c\/p\u003e\n\n\u003ch3\u003eEFI \/ Euro 4 Warning\u003c\/h3\u003e\n\u003cp\u003eThe later \u003cstrong\u003eK157FMI-E\u003c\/strong\u003e engine family is catalogued with a separate cylinder-head assembly. Do not assume this older K157FMI carburettor head is interchangeable with K157FMI-E, EFI or Euro 4 versions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket surfaces and the correct torque procedure. Inspect the piston, cylinder, cam chain, tensioner and oilways before assembly. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with the measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504570802551,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"keeway-strike-125-k157fmi-cylinder-head-2013-2014-02268-eng","title":"K157FMI Cylinder Head for Keeway Strike 125 2013–2014","description":"\u003ch2\u003eK157FMI Cylinder Head for Keeway Strike 125 2013–2014\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible 157FMI \/ K157FMI-pattern 125cc four-stroke engines.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless supplied with the actual item.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eKeeway Strike 125 — 2013–2014 — K157FMI Euro 3 \/ carburettor application\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect aftermarket application data identifies the 2013–2014 Keeway Strike 125 with the K157FMI cylinder-head family.\u003c\/li\u003e\n\u003cli\u003eThis listing is intentionally limited to the Strike 125. Keeway RKS, RKV, Superlight, Speed and TX models commonly use KW157FMI \/ QJ157FMI derivatives or different cylinder-head and emissions arrangements.\u003c\/li\u003e\n\u003cli\u003eCompare the original cylinder head, secondary-air \/ EGR provision, inlet and exhaust ports, camshaft layout and rocker-cover mounting before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngine \/ Head Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: 157FMI \/ K157FMI Suzuki GS-pattern 125cc engine family\u003c\/li\u003e\n\u003cli\u003eConfiguration: single-cylinder, four-stroke, air-cooled, OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\n\u003cp\u003eConfirm the full engine code and compare the cylinder-head casting with the original. Check the cylinder-head stud layout, camshaft and timing arrangement, inlet and exhaust ports, secondary-air \/ EGR provision, tachometer-drive arrangement where fitted, rocker-cover mounting and piston type.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not order solely from model name or engine capacity.\u003c\/strong\u003e Similar 157FMI-family engines can use different head castings and emissions systems.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket surfaces, unrestricted oilways and the correct torque procedure. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with the measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504570835319,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"mash-125-k157fmi-cylinder-head-seventy-cafe-scrambler-02268-eng","title":"K157FMI Cylinder Head for Mash Seventy \/ Seventy Five \/ Cafe Racer \/ Scrambler 125","description":"\u003ch2\u003eK157FMI Cylinder Head for Mash Seventy \/ Seventy Five \/ Cafe Racer \/ Scrambler 125\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible 157FMI \/ K157FMI-pattern 125cc four-stroke engines.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless supplied with the actual item.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMash Seventy 125 — 2012–2016\u003c\/li\u003e\n\u003cli\u003eMash Seventy Five 125 — 2013–2018\u003c\/li\u003e\n\u003cli\u003eMash Cafe Racer 125 — 2014–2018\u003c\/li\u003e\n\u003cli\u003eMash Scrambler 125 — 2014–2018\u003c\/li\u003e\n\u003cli\u003eMash Black Seven 125 — 2015–2018\u003c\/li\u003e\n\u003cli\u003eMash Dirt Track 125 — 2018\u003c\/li\u003e\n\u003cli\u003eMash New Seventy 125 — 2019–2020, only where the original 157FMI\/K157FMI head and emissions layout match\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete 157FMI\/K157FMI aftermarket cylinder-head catalogues cross-reference these Mash 125 applications.\u003c\/li\u003e\n\u003cli\u003eThe complete-head reference used for this family has an anti-pollution \/ secondary-air port near the front-right stud and is intended for the matching flat-piston engine configuration.\u003c\/li\u003e\n\u003cli\u003eMash specifications changed across Euro standards. Compare the original cylinder head, piston type, emissions port, cam\/tachometer arrangement and rocker-cover pattern before fitting.\u003c\/li\u003e\n\u003cli\u003eLater water-cooled \/ Euro 5 Mash engines are not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngine \/ Head Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: 157FMI \/ K157FMI Suzuki GS-pattern 125cc engine family\u003c\/li\u003e\n\u003cli\u003eConfiguration: single-cylinder, four-stroke, air-cooled, OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\n\u003cp\u003eConfirm the full engine code and compare the cylinder-head casting with the original. Check the cylinder-head stud layout, camshaft and timing arrangement, inlet and exhaust ports, secondary-air \/ EGR provision, tachometer-drive arrangement where fitted, rocker-cover mounting and piston type.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not order solely from model name or engine capacity.\u003c\/strong\u003e Similar 157FMI-family engines can use different head castings and emissions systems.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket surfaces, unrestricted oilways and the correct torque procedure. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with the measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504570868087,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"lexmoto-lowride-street-125-k157fmi-silver-cylinder-head-02268-eng","title":"K157FMI Silver Cylinder Head for Lexmoto Lowride 125 \/ Street 125","description":"\u003ch2\u003eK157FMI Silver Cylinder Head for Lexmoto Lowride 125 \/ Street 125\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket silver cylinder-head assembly for compatible Lexmoto motorcycles using the matching K157FMI cylinder-head layout.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x silver cylinder-head assembly\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eInlet and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOnly the components shown in the product photographs and explicitly listed above are included.\u003c\/strong\u003e Rocker cover, cam sprocket, gaskets, inlet manifold, studs and other hardware should not be assumed included unless supplied with the actual item.\u003c\/p\u003e\n\n\u003ch3\u003eDirect Lexmoto Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLexmoto Lowride 125 — DFE125L — K157FMI\u003c\/li\u003e\n\u003cli\u003eLexmoto Street 125 — DFE125-8A — K157FMI\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCMPO's Silver Cylinder Head K157FMI (CYLH078) directly cross-references both Lexmoto Lowride 125 DFE125L and Street 125 DFE125-8A.\u003c\/li\u003e\n\u003cli\u003eThis silver-head application is kept separate from the Adrenaline \/ Valiant K157FMI head family because aftermarket catalogues list them under different cylinder-head references.\u003c\/li\u003e\n\u003cli\u003eCompare the original head casting, camshaft\/timing arrangement, inlet and exhaust ports, emissions\/secondary-air provision and rocker-cover mounting before ordering.\u003c\/li\u003e\n\u003cli\u003eDo not assume fitment to other Lexmoto 125 models solely because they use a 157FMI-family engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngine Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine family: K157FMI \/ Suzuki GS-pattern 125cc engine\u003c\/li\u003e\n\u003cli\u003eConfiguration: single-cylinder, four-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: OHC, 2-valve\u003c\/li\u003e\n\u003cli\u003eTypical bore x stroke: approximately 57.0 x 48.8 mm\u003c\/li\u003e\n\u003cli\u003eFinish: Silver\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New aftermarket replacement\u003c\/li\u003e\n\u003cli\u003eSKU: 02268-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\n\u003cp\u003eCheck the full engine code and compare the original cylinder head with the product photographs. Confirm the head stud layout, camshaft and timing arrangement, inlet and exhaust ports, secondary-air \/ emissions connection and rocker-cover mounting pattern.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not order solely from engine capacity or the K157FMI name.\u003c\/strong\u003e Several related engines use different cylinder-head castings.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearances, clean gasket faces, unrestricted oilways and the correct torque procedure. Professional installation is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eShipping Estimate\u003c\/h3\u003e\n\u003cp\u003eShopify shipping estimate: approximately 3.0 kg packed, with estimated parcel dimensions of 24 x 20 x 18 cm. Replace these figures with measured packed weight and dimensions when available.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504570900855,"sku":"02268-ENG","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311"},{"product_id":"156fmi-125cc-ohc-cylinder-head-assembly","title":"156FMI 125cc OHC Cylinder Head Assembly – Valves \/ Cam Type","description":"\u003ch2\u003e156FMI 125cc OHC Cylinder Head Assembly – Valves \/ Cam Type\u003c\/h2\u003e\u003cp\u003eBrand-new unbranded replacement cylinder-head assembly for compatible 125cc motorcycles using the 156FMI overhead-cam (OHC) engine family.\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine family: 156FMI OHC 125cc\u003c\/li\u003e\n\u003cli\u003eEngine type: Single-cylinder, 4-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: Overhead cam (OHC)\u003c\/li\u003e\n\u003cli\u003eNominal standard-bore family: approximately 56.5 mm on common 156FMI applications\u003c\/li\u003e\n\u003cli\u003eCondition: Brand new\u003c\/li\u003e\n\u003cli\u003eType: Unbranded aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded Components\u003c\/h3\u003e\u003cp\u003eThe uploaded product title describes a cylinder-head assembly with valves, camshaft and rocker components. However, the source description did not independently guarantee every valvetrain component. Please use the product photographs\/package contents as the final authority for exactly what is included.\u003c\/p\u003e\u003ch3\u003eVerified \/ Researched Applications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine\u003c\/th\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine family\u003c\/td\u003e\n\u003ctd\u003e156FMI 125 OHC\u003c\/td\u003e\n\u003ctd\u003eDirectly supported by complete\/bare 156FMI OHC cylinder-head catalogues\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRomet\u003c\/td\u003e\n\u003ctd\u003eSoft 125\u003c\/td\u003e\n\u003ctd\u003eDirect bare-head 156FMI OHC catalogue application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJunak\u003c\/td\u003e\n\u003ctd\u003e121 125\u003c\/td\u003e\n\u003ctd\u003eDirect bare-head 156FMI OHC catalogue application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZipp\u003c\/td\u003e\n\u003ctd\u003eVZ-1 125 \/ Manic RS 125\u003c\/td\u003e\n\u003ctd\u003eDirect bare-head 156FMI OHC catalogue application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGB Motors\u003c\/td\u003e\n\u003ctd\u003eCafe Bike 125\u003c\/td\u003e\n\u003ctd\u003eDirect bare-head 156FMI OHC catalogue application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\u003cp\u003eThe original export described this as a Honda CG125 \/ 156FMI head, but that wording is too broad. Classic Honda CG125-style engines are typically OHV\/pushrod, whereas this product is being positioned as an OHC\/cam-chain 156FMI head based on the uploaded title and researched 156FMI OHC head family.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo not order by “125cc”, “CG125” or “156FMI” alone.\u003c\/strong\u003e The 156FMI designation is used across both OHV\/pushrod and OHC derivatives. This listing is for the \u003cstrong\u003eOHC\/cam-chain cylinder-head family\u003c\/strong\u003e, not the classic CG125-style OHV pushrod head.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare the original head casting, cam-chain tunnel, head-stud pattern, combustion chamber, inlet\/exhaust port positions, valve arrangement, camshaft\/rocker layout and cylinder-head gasket profile.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearance, gasket installation and torque procedure. Professional installation is recommended if the correct engine-building procedure is not known.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504609141111,"sku":"01401-ENG","price":64.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_092756.jpg?v=1790859209"},{"product_id":"romet-soft-125-156fmi-ohc-cylinder-head-assembly","title":"Romet Soft 125 156FMI OHC Cylinder Head Assembly","description":"\u003ch2\u003eRomet Soft 125 156FMI OHC Cylinder Head Assembly\u003c\/h2\u003e\u003cp\u003eBrand-new unbranded replacement cylinder-head assembly for compatible 125cc motorcycles using the 156FMI OHC engine family.\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine family: 156FMI OHC 125cc\u003c\/li\u003e\n\u003cli\u003eEngine type: Single-cylinder, 4-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: Overhead cam (OHC)\u003c\/li\u003e\n\u003cli\u003eNominal standard-bore family: approximately 56.5 mm on common 156FMI applications\u003c\/li\u003e\n\u003cli\u003eCondition: Brand new\u003c\/li\u003e\n\u003cli\u003eType: Unbranded aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded Components\u003c\/h3\u003e\u003cp\u003eThe uploaded product title describes a cylinder-head assembly with valves, camshaft and rocker components. However, the source description did not independently guarantee every valvetrain component. Please use the product photographs\/package contents as the final authority for exactly what is included.\u003c\/p\u003e\u003ch3\u003eVerified \/ Researched Applications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine\u003c\/th\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eRomet\u003c\/td\u003e\n\u003ctd\u003eSoft 125\u003c\/td\u003e\n\u003ctd\u003eMotor-X directly catalogues a bare 125cc 156FMI OHC head for this model\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\u003cp\u003eDirect 156FMI OHC cylinder-head catalogue application. Compare the stocked complete head with the original before fitting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo not order by “125cc”, “CG125” or “156FMI” alone.\u003c\/strong\u003e The 156FMI designation is used across both OHV\/pushrod and OHC derivatives. This listing is for the \u003cstrong\u003eOHC\/cam-chain cylinder-head family\u003c\/strong\u003e, not the classic CG125-style OHV pushrod head.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare the original head casting, cam-chain tunnel, head-stud pattern, combustion chamber, inlet\/exhaust port positions, valve arrangement, camshaft\/rocker layout and cylinder-head gasket profile.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearance, gasket installation and torque procedure. Professional installation is recommended if the correct engine-building procedure is not known.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504609173879,"sku":"01401-ENG","price":64.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_092756.jpg?v=1790859209"},{"product_id":"junak-121-125-156fmi-ohc-cylinder-head-assembly","title":"Junak 121 125 156FMI OHC Cylinder Head Assembly","description":"\u003ch2\u003eJunak 121 125 156FMI OHC Cylinder Head Assembly\u003c\/h2\u003e\u003cp\u003eBrand-new unbranded replacement cylinder-head assembly for compatible 125cc motorcycles using the 156FMI OHC engine family.\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine family: 156FMI OHC 125cc\u003c\/li\u003e\n\u003cli\u003eEngine type: Single-cylinder, 4-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: Overhead cam (OHC)\u003c\/li\u003e\n\u003cli\u003eNominal standard-bore family: approximately 56.5 mm on common 156FMI applications\u003c\/li\u003e\n\u003cli\u003eCondition: Brand new\u003c\/li\u003e\n\u003cli\u003eType: Unbranded aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded Components\u003c\/h3\u003e\u003cp\u003eThe uploaded product title describes a cylinder-head assembly with valves, camshaft and rocker components. However, the source description did not independently guarantee every valvetrain component. Please use the product photographs\/package contents as the final authority for exactly what is included.\u003c\/p\u003e\u003ch3\u003eVerified \/ Researched Applications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine\u003c\/th\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eJunak\u003c\/td\u003e\n\u003ctd\u003e121 125\u003c\/td\u003e\n\u003ctd\u003eMotor-X directly catalogues a bare 125cc 156FMI OHC head for this model\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\u003cp\u003eDirect 156FMI OHC cylinder-head catalogue application. Verify complete-head component layout against the original.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo not order by “125cc”, “CG125” or “156FMI” alone.\u003c\/strong\u003e The 156FMI designation is used across both OHV\/pushrod and OHC derivatives. This listing is for the \u003cstrong\u003eOHC\/cam-chain cylinder-head family\u003c\/strong\u003e, not the classic CG125-style OHV pushrod head.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare the original head casting, cam-chain tunnel, head-stud pattern, combustion chamber, inlet\/exhaust port positions, valve arrangement, camshaft\/rocker layout and cylinder-head gasket profile.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearance, gasket installation and torque procedure. Professional installation is recommended if the correct engine-building procedure is not known.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504609272183,"sku":"01401-ENG","price":64.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_092756.jpg?v=1790859209"},{"product_id":"zipp-vz1-manic-rs-125-156fmi-ohc-cylinder-head","title":"Zipp VZ-1 \/ Manic RS 125 156FMI OHC Cylinder Head","description":"\u003ch2\u003eZipp VZ-1 \/ Manic RS 125 156FMI OHC Cylinder Head\u003c\/h2\u003e\u003cp\u003eBrand-new unbranded replacement cylinder-head assembly for compatible 125cc motorcycles using the 156FMI OHC engine family.\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine family: 156FMI OHC 125cc\u003c\/li\u003e\n\u003cli\u003eEngine type: Single-cylinder, 4-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: Overhead cam (OHC)\u003c\/li\u003e\n\u003cli\u003eNominal standard-bore family: approximately 56.5 mm on common 156FMI applications\u003c\/li\u003e\n\u003cli\u003eCondition: Brand new\u003c\/li\u003e\n\u003cli\u003eType: Unbranded aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded Components\u003c\/h3\u003e\u003cp\u003eThe uploaded product title describes a cylinder-head assembly with valves, camshaft and rocker components. However, the source description did not independently guarantee every valvetrain component. Please use the product photographs\/package contents as the final authority for exactly what is included.\u003c\/p\u003e\u003ch3\u003eVerified \/ Researched Applications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine\u003c\/th\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eZipp\u003c\/td\u003e\n\u003ctd\u003eVZ-1 125 \/ Manic RS 125\u003c\/td\u003e\n\u003ctd\u003eBoth are direct applications in the 156FMI OHC bare-head catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\u003cp\u003eDirect 156FMI OHC head-family applications. Compare all casting and valvetrain details with the original cylinder head.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo not order by “125cc”, “CG125” or “156FMI” alone.\u003c\/strong\u003e The 156FMI designation is used across both OHV\/pushrod and OHC derivatives. This listing is for the \u003cstrong\u003eOHC\/cam-chain cylinder-head family\u003c\/strong\u003e, not the classic CG125-style OHV pushrod head.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare the original head casting, cam-chain tunnel, head-stud pattern, combustion chamber, inlet\/exhaust port positions, valve arrangement, camshaft\/rocker layout and cylinder-head gasket profile.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearance, gasket installation and torque procedure. Professional installation is recommended if the correct engine-building procedure is not known.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504609337719,"sku":"01401-ENG","price":64.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_092756.jpg?v=1790859209"},{"product_id":"gb-motors-cafe-bike-125-156fmi-ohc-cylinder-head","title":"GB Motors Cafe Bike 125 156FMI OHC Cylinder Head","description":"\u003ch2\u003eGB Motors Cafe Bike 125 156FMI OHC Cylinder Head\u003c\/h2\u003e\u003cp\u003eBrand-new unbranded replacement cylinder-head assembly for compatible 125cc motorcycles using the 156FMI OHC engine family.\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine family: 156FMI OHC 125cc\u003c\/li\u003e\n\u003cli\u003eEngine type: Single-cylinder, 4-stroke, air-cooled\u003c\/li\u003e\n\u003cli\u003eValve train: Overhead cam (OHC)\u003c\/li\u003e\n\u003cli\u003eNominal standard-bore family: approximately 56.5 mm on common 156FMI applications\u003c\/li\u003e\n\u003cli\u003eCondition: Brand new\u003c\/li\u003e\n\u003cli\u003eType: Unbranded aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded Components\u003c\/h3\u003e\u003cp\u003eThe uploaded product title describes a cylinder-head assembly with valves, camshaft and rocker components. However, the source description did not independently guarantee every valvetrain component. Please use the product photographs\/package contents as the final authority for exactly what is included.\u003c\/p\u003e\u003ch3\u003eVerified \/ Researched Applications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine\u003c\/th\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eGB Motors\u003c\/td\u003e\n\u003ctd\u003eCafe Bike 125\u003c\/td\u003e\n\u003ctd\u003eDirect application in Motor-X's 156FMI OHC bare-head catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\u003cp\u003eDirect 156FMI OHC cylinder-head catalogue application. Match the original head and valvetrain before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo not order by “125cc”, “CG125” or “156FMI” alone.\u003c\/strong\u003e The 156FMI designation is used across both OHV\/pushrod and OHC derivatives. This listing is for the \u003cstrong\u003eOHC\/cam-chain cylinder-head family\u003c\/strong\u003e, not the classic CG125-style OHV pushrod head.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare the original head casting, cam-chain tunnel, head-stud pattern, combustion chamber, inlet\/exhaust port positions, valve arrangement, camshaft\/rocker layout and cylinder-head gasket profile.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eCylinder-head replacement requires correct cam timing, valve clearance, gasket installation and torque procedure. Professional installation is recommended if the correct engine-building procedure is not known.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57504609403255,"sku":"01401-ENG","price":64.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_092756.jpg?v=1790859209"}],"url":"https:\/\/www.motomaniauk.com\/collections\/cylinder-head.oembed?page=5","provider":"Moto Mania UK","version":"1.0","type":"link"}