{"product_id":"4952m07700-wiseco-std-piston-kit-for-yamaha-yz250f-2008-2011-77-mm-13-5-1-cr","title":"4952M07700 Wiseco Std Piston Kit for Yamaha YZ250F 2008-2011 77 mm 13.5:1 CR","description":"\u003ch2\u003eStd Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard piston kit for Yamaha is a complete top-end replacement, cross-referenced to OEM part 4952M07700, sized at 77 mm with a 13.5:1 compression ratio.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis standard piston kit for Yamaha delivers a complete top-end refresh with a 77 mm bore and 13.5:1 compression ratio. The kit for Yamaha YZ250F models includes the piston, rings, pin, and clips for a full rebuild. Riders and engine builders trust Wiseco for consistent, race-proven performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e77 mm standard bore size\u003c\/li\u003e\n\u003cli\u003e13.5:1 compression ratio for reliable power\u003c\/li\u003e\n\u003cli\u003eForged construction for high strength\u003c\/li\u003e\n\u003cli\u003eComplete kit with piston, rings, pin, and clips\u003c\/li\u003e\n\u003cli\u003eCross-references OEM part 4952M07700\u003c\/li\u003e\n\u003cli\u003eDesigned for four-stroke motocross engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ250F 2008\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2009\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2010\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2011\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds\u003c\/li\u003e\n\u003cli\u003eMotocross and off-road riding\u003c\/li\u003e\n\u003cli\u003eEngine refresh after hours of use\u003c\/li\u003e\n\u003cli\u003eRace engine builds\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\u003e4952M07700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e77 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Piston Kit\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 What comes in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the piston, rings, wrist pin, and clips for a complete top-end job.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the compression ratio matter? \u003cstrong\u003eA:\u003c\/strong\u003e A 13.5:1 ratio suits pump premium fuel, so check your engine setup.\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":51140032725078,"sku":"OO1C22467","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_220baf8d-be0d-4140-a256-cec42ecb8a6f.jpg?v=1794565930","url":"https:\/\/www.solidspare.com\/products\/4952m07700-wiseco-std-piston-kit-for-yamaha-yz250f-2008-2011-77-mm-13-5-1-cr","provider":"Solid Spare","version":"1.0","type":"link"}