{"product_id":"wiseco-std-piston-crankshaft-gasket-set-for-yamaha-yz250-2001-66-40mm-bore","title":"Wiseco Std Piston Crankshaft Gasket Set for Yamaha YZ250 2001 66.40mm Bore","description":"\u003ch2\u003eWiseco Std Piston, Crankshaft and Gasket Set for Yamaha YZ250\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard bore rebuild kit bundles a 66.40mm piston, crankshaft, and complete gasket set for the Yamaha YZ250, giving you everything needed to refresh the top and bottom end in one box.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco piston, crankshaft, and gasket set for Yamaha YZ250 provides a matched standard bore rebuild package for the 2001 model year. The 66.40mm piston, crankshaft, and full gasket set work together so you can restore compression and bottom end integrity in a single job. It suits riders and mechanics rebuilding a tired YZ250 engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard 66.40mm bore piston sized to the original Yamaha YZ250 cylinder\u003c\/li\u003e\n\u003cli\u003eForged piston construction for strength under high rpm loads\u003c\/li\u003e\n\u003cli\u003eCrankshaft assembled to stock stroke and balance for the YZ250 engine\u003c\/li\u003e\n\u003cli\u003eComplete gasket set covering top end, bottom end, and covers\u003c\/li\u003e\n\u003cli\u003eMatched piston, ring, pin, and clip components in one kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ250 2001\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end and bottom end rebuilds on a worn YZ250 engine\u003c\/li\u003e\n\u003cli\u003eRestoring compression before a race season\u003c\/li\u003e\n\u003cli\u003eReplacing a scored piston or failing crank bearing\u003c\/li\u003e\n\u003cli\u003eWorkshop rebuilds where a matched kit saves sourcing time\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e66.40mm standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiseco forged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, crankshaft, 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\u003efor Yamaha YZ250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Year\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2001\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 Is this piston and crankshaft kit a genuine Yamaha part? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a Wiseco rebuild kit built to fit the Yamaha YZ250, not an original Yamaha product. Always verify bore size and model year before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to measure my cylinder before fitting this kit? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, a 66.40mm piston only suits a cylinder still at standard bore, so measure or have it checked first. A worn or plated cylinder may need work before the new piston fits correctly.\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":51143066714198,"sku":"OO1C24235","price":1407.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_8735a284-bbf9-45ce-9337-5e2c817a3507.jpg?v=1794566913","url":"https:\/\/www.solidspare.com\/products\/wiseco-std-piston-crankshaft-gasket-set-for-yamaha-yz250-2001-66-40mm-bore","provider":"Solid Spare","version":"1.0","type":"link"}