{"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":102.0,"currency_code":"SHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260929_104404.jpg?v=1790774311","url":"https:\/\/www.motomaniauk.com\/products\/pulse-adrenaline-superbyke-rmr-rsr-k157fmi-cylinder-head-02268-eng","provider":"Moto Mania UK","version":"1.0","type":"link"}