{"product_id":"pk1401-wiseco-std-piston-gasket-set-12-5-1-for-yamaha-yz250f-2005-2007","title":"PK1401 Wiseco Std Piston Gasket Set 12.5:1 for Yamaha YZ250F 2005-2007","description":"\u003ch2\u003eWiseco Std Piston Kit for Yamaha YZ250F\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard bore piston kit with gasket set (PK1401) is built for the Yamaha YZ250F, offering a 12.5:1 compression ratio for strong four-stroke performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco standard piston kit for the Yamaha YZ250F includes the piston and gasket set needed for a top end rebuild. The standard bore sizing maintains factory cylinder dimensions while the 12.5:1 compression ratio supports strong four-stroke power delivery. It suits riders and mechanics refreshing a YZ250F engine for track or trail use.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWiseco forged piston construction for durability under four-stroke loads\u003c\/li\u003e\n\u003cli\u003eStandard bore sizing for use with a stock or stock-spec cylinder\u003c\/li\u003e\n\u003cli\u003e12.5:1 compression ratio for strong combustion performance\u003c\/li\u003e\n\u003cli\u003eIncludes gasket set for a complete top end seal\u003c\/li\u003e\n\u003cli\u003eKit referenced as PK1401 for easy cross-checking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ250F 2005\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2006\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2007\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuild after piston wear or compression loss\u003c\/li\u003e\n\u003cli\u003eRefreshing a high-hour four-stroke motocross engine\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance on the YZ250F platform\u003c\/li\u003e\n\u003cli\u003eShop and DIY engine rebuild projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePK1401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, gasket set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ250F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2005-2007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this piston kit require cylinder machining? \u003cstrong\u003eA:\u003c\/strong\u003e No, a standard bore piston is intended for use with a cylinder already at stock dimensions, though the bore should be checked for wear before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this an original Yamaha part? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is an aftermarket Wiseco piston kit designed for the Yamaha YZ250F and is not an original equipment part.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51143955251286,"sku":"OO1C24813","price":593.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_2fa3a247-fc43-4558-a0fd-bed3596e3fb6.jpg?v=1794567305","url":"https:\/\/www.solidspare.com\/products\/pk1401-wiseco-std-piston-gasket-set-12-5-1-for-yamaha-yz250f-2005-2007","provider":"Solid Spare","version":"1.0","type":"link"}