{"product_id":"4872m07700-wiseco-std-piston-kit-for-yamaha-yz250f-2001-2004-77-00-mm-12-7-1-cr","title":"4872M07700 Wiseco Std Piston Kit for Yamaha YZ250F 2001-2004 77.00 mm 12.7:1 CR","description":"\u003ch2\u003ePiston Kit for Yamaha YZ250F\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard piston kit for Yamaha YZ250F offers a 77.00 mm bore and 12.7:1 compression ratio for stock-spec top-end rebuilds, cross-referencing OEM part 4872M07700.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco piston kit is a standard-bore top-end replacement for the Yamaha YZ250F. It restores factory compression and sealing on a worn engine. Built for riders and mechanics servicing 2001 to 2004 YZ250F motocross machines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e77.00 mm standard bore for stock cylinder fitment\u003c\/li\u003e\n\u003cli\u003e12.7:1 compression ratio matching factory specification\u003c\/li\u003e\n\u003cli\u003eForged piston construction for high-rpm durability\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, pin, and clips for a complete rebuild\u003c\/li\u003e\n\u003cli\u003eCross-references OEM part 4872M07700\u003c\/li\u003e\n\u003cli\u003eMachined to match the YZ250F combustion chamber\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ250F 2001\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2002\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2003\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2004\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard-bore top-end rebuilds\u003c\/li\u003e\n\u003cli\u003eMotocross race engine refreshes\u003c\/li\u003e\n\u003cli\u003eTrail and practice bike maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring factory compression on high-hour engines\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\u003e4872M07700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e77.00 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\u003e12.7:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiseco\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 kit include everything needed for a top-end rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e It includes the piston, rings, wrist pin, and clips, but gaskets and bearings are typically sold separately. \u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this without checking cylinder condition? \u003cstrong\u003eA:\u003c\/strong\u003e No, the cylinder bore and plating should be measured and inspected before fitting a new piston.\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":51140033380438,"sku":"OO1C22469","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_12c5ecf2-012e-4a65-a2da-f1c4e797323e.jpg?v=1794565911","url":"https:\/\/www.solidspare.com\/products\/4872m07700-wiseco-std-piston-kit-for-yamaha-yz250f-2001-2004-77-00-mm-12-7-1-cr","provider":"Solid Spare","version":"1.0","type":"link"}