{"product_id":"wiseco-std-piston-crankshaft-gasket-set-77-00-mm-for-yamaha-yz250f-2012-2013-13","title":"Wiseco Std Piston Crankshaft Gasket Set 77.00 mm for Yamaha YZ250F 2012-2013 13.","description":"\u003ch2\u003eWiseco Std Piston\/Crankshaft\/Gasket Set for Yamaha\u003c\/h2\u003e\u003cp\u003eThis Wiseco Std Piston\/Crankshaft\/Gasket Set for Yamaha YZ250F 2012-2013 restores top and bottom end performance with a 77.00 mm piston at 13.5:1 compression, a matched crankshaft, and a complete gasket set for a full rebuild.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Wiseco Std Piston\/Crankshaft\/Gasket Set for Yamaha YZ250F 2012-2013 delivers the core rotating and sealing components needed for a complete engine refresh. The 77.00 mm piston at 13.5:1 compression and matched crankshaft work together to keep the top and bottom end in balance for riders who demand reliable power. This kit suits mechanics and race teams rebuilding a YZ250F engine with quality aftermarket parts.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e77.00 mm standard bore piston sized for the YZ250F cylinder\u003c\/li\u003e\n\u003cli\u003e13.5:1 compression ratio for strong combustion and throttle response\u003c\/li\u003e\n\u003cli\u003eMatched crankshaft built to handle the loads of a high-revving four-stroke\u003c\/li\u003e\n\u003cli\u003eComplete gasket set included for a full engine rebuild\u003c\/li\u003e\n\u003cli\u003eWiseco aftermarket parts engineered for consistent fit and finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ250F 2012\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250F 2013\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop and bottom end rebuilds after a piston seizure or crank failure\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a worn YZ250F engine\u003c\/li\u003e\n\u003cli\u003ePreventive teardown during race season maintenance\u003c\/li\u003e\n\u003cli\u003eReplacing fatigued internals on a high-hour four-stroke\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\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\u003e13.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard bore\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\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 full rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e It bundles a piston, crankshaft, and gasket set, which covers the major wear items for a top and bottom end refresh. Additional bearings or hardware may still be needed depending on the engine's condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is a 77.00 mm piston the stock size for this engine? \u003cstrong\u003eA:\u003c\/strong\u003e A 77.00 mm bore is the standard size, so measuring the cylinder before ordering confirms whether it has been overbored previously. Check clearances during assembly to ensure correct fit.\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":51143001210966,"sku":"OO1C24190","price":1957.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_706ce8ae-3d72-4231-9225-9f0198eab11b.jpg?v=1794566920","url":"https:\/\/www.solidspare.com\/products\/wiseco-std-piston-crankshaft-gasket-set-77-00-mm-for-yamaha-yz250f-2012-2013-13","provider":"Solid Spare","version":"1.0","type":"link"}