{"product_id":"k157fmi-150cc-big-bore-pulse-adrenaline-125-2007-2014-01243-eng","title":"Pulse Adrenaline 125 2007-2014 K157FMI 150cc Big Bore Cylinder Piston Kit 61mm 14mm","description":"\u003ch2\u003ePulse Adrenaline 125 2007-2014 K157FMI 150cc Big-Bore Cylinder \u0026amp; Piston Kit\u003c\/h2\u003e\n\n\u003cp\u003eBrand new aftermarket big-bore top-end upgrade kit for \u003cstrong\u003ePulse Adrenaline 125 XF125GY-2B, 2007-2014\u003c\/strong\u003e. This is the Chinese Suzuki-style \u003cstrong\u003eK157FMI \/ 157FMI\u003c\/strong\u003e cylinder family commonly sold as a 150cc upgrade for compatible 125cc air-cooled four-stroke engines.\u003c\/p\u003e\n\n\u003cp\u003eThe kit shown includes an aluminium finned cylinder barrel with cast-iron liner, flat-top piston, piston rings, 14 mm gudgeon \/ wrist pin, circlips and the top-end gaskets and seals pictured.\u003c\/p\u003e\n\n\u003ch3\u003eDirect Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePulse Adrenaline 125 XF125GY-2B, 2007-2014\u003c\/li\u003e\n\u003cli\u003eEngine family: K157FMI \/ compatible Suzuki-GS-style 157FMI\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKit Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x big-bore cylinder barrel\u003c\/li\u003e\n\u003cli\u003e1 x flat-top piston\u003c\/li\u003e\n\u003cli\u003e1 x piston ring set\u003c\/li\u003e\n\u003cli\u003e1 x 14 mm gudgeon \/ wrist pin\u003c\/li\u003e\n\u003cli\u003e2 x piston-pin circlips\u003c\/li\u003e\n\u003cli\u003eTop-end gaskets and seals as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMarketed displacement: 150cc big-bore upgrade\u003c\/li\u003e\n\u003cli\u003ePiston size: approximately 61 mm\u003c\/li\u003e\n\u003cli\u003ePiston type: Flat top\u003c\/li\u003e\n\u003cli\u003eGudgeon \/ piston pin: 14 mm\u003c\/li\u003e\n\u003cli\u003eEngine type: Single-cylinder 4-stroke\u003c\/li\u003e\n\u003cli\u003eCooling: Air cooled\u003c\/li\u003e\n\u003cli\u003eValve train family: OHC \/ cam-chain K157FMI\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminium finned cylinder with iron liner\u003c\/li\u003e\n\u003cli\u003eShopify product weight: 2.0 kg\u003c\/li\u003e\n\u003cli\u003eSKU: 01243-ENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Aftermarket Cross References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eK157*150\u003c\/li\u003e\n\u003cli\u003eK157 150KT\u003c\/li\u003e\n\u003cli\u003eEP018995 - K157FMI 150cc power-up big-bore set\u003c\/li\u003e\n\u003cli\u003eEP018995EGR - K157FMI non-EGR variant reference\u003c\/li\u003e\n\u003cli\u003eEP010014EN150 - replacement piston \u0026amp; ring family for K157 150cc big-bore kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant EGR \/ SLS \u0026amp; Engine Check\u003c\/h3\u003e\n\u003cp\u003eK157FMI big-bore cylinders are sold in more than one side-port configuration. Some engines use an EGR \/ secondary-air (SLS) passage and others use a non-EGR cylinder. \u003cstrong\u003eFor a direct fit, the cylinder supplied must have the same side-port arrangement as the original engine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBefore ordering, check the engine marking and compare the original cylinder with the product photographs. The engine should use a \u003cstrong\u003e14 mm piston pin, flat-top piston, matching cylinder-stud pattern, crankcase spigot and identical EGR\/SLS port arrangement\u003c\/strong\u003e. Do not order solely because the motorcycle is 125cc.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Setup\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed as a bolt-on top-end conversion for the matching K157FMI engine family and does not require the original cylinder to be rebored. During installation, check piston-to-valve clearance, ring end gaps, cam timing, valve clearances, gasket surfaces and oil supply.\u003c\/p\u003e\n\n\u003cp\u003eA larger-capacity top end can require carburettor jetting or EFI fuelling adjustment to achieve the correct air-fuel ratio. Engine-capacity changes may also affect road-registration, licence or insurance requirements.\u003c\/p\u003e\n\n\u003ch3\u003eSearch Terms\u003c\/h3\u003e\n\u003cp\u003eK157FMI 150cc big bore kit, K157FMI cylinder piston kit, 61mm piston, 14mm gudgeon pin, Chinese Suzuki 125 big bore, 157FMI cylinder kit, 125 to 150cc conversion, motorcycle top end rebuild, K157 150KT, EP018995.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new aftermarket replacement \/ performance part. Cross-reference numbers are supplied for identification only.\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":57739282874743,"sku":"01243-ENG","price":77.0,"currency_code":"SHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20261024_150322.jpg?v=1794308322","url":"https:\/\/www.motomaniauk.com\/products\/k157fmi-150cc-big-bore-pulse-adrenaline-125-2007-2014-01243-eng","provider":"Moto Mania UK","version":"1.0","type":"link"}