{"product_id":"wiseco-std-piston-crankshaft-gasket-set-77-00-mm-for-yamaha-wr250f-2005-2013-12","title":"Wiseco Std Piston Crankshaft Gasket Set 77.00 mm for Yamaha WR250F 2005-2013 12.","description":"\u003ch2\u003eWiseco Std Piston\/Crankshaft\/Gasket Set for Yamaha WR250F\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard piston, crankshaft, and gasket set is built for the Yamaha WR250F, restoring top-end and bottom-end performance with a 77.00 mm bore and 12.5:1 compression ratio.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco Std Piston\/Crankshaft\/Gasket Set for the Yamaha WR250F delivers a complete rebuild solution for riders who demand reliable, race-proven internals. The 77.00 mm piston with a 12.5:1 compression ratio restores factory-spec power delivery, while the crankshaft and full gasket set keep the rebuild sealed and balanced. It is intended for mechanics and enthusiasts rebuilding 2005-2013 Yamaha WR250F engines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e77.00 mm standard bore piston matched to the factory cylinder\u003c\/li\u003e\n\u003cli\u003e12.5:1 compression ratio for strong midrange and top-end response\u003c\/li\u003e\n\u003cli\u003eCrankshaft included for complete bottom-end refresh\u003c\/li\u003e\n\u003cli\u003eFull gasket set seals the top and bottom end during reassembly\u003c\/li\u003e\n\u003cli\u003eWiseco forged construction for durability under high-rpm use\u003c\/li\u003e\n\u003cli\u003eKit format reduces guesswork when sourcing matched components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha WR250F 2005\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2006\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2007\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2008\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2009\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2010\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2011\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2012\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2013\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end and bottom-end engine rebuilds\u003c\/li\u003e\n\u003cli\u003eTrail and enduro riding where reliability matters\u003c\/li\u003e\n\u003cli\u003eMotocross and off-road competition maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring a worn or smoking WR250F engine\u003c\/li\u003e\n\u003cli\u003ePreventive refresh before a riding season\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\u003eWiseco Std Piston\/Crankshaft\/Gasket Set\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\u003e12.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\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 Includes\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 fit my 2005-2013 Yamaha WR250F? \u003cstrong\u003eA:\u003c\/strong\u003e It is listed for Yamaha WR250F models from 2005 through 2013 with a 77.00 mm standard bore and 12.5:1 compression. Confirm your engine serial number and cylinder condition before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this kit without machining the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e A standard bore piston is designed to match a factory-spec cylinder in good condition. Measure cylinder wear and check for scoring before installation.\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":51142999900246,"sku":"OO1C24188","price":1957.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_663a572c-fb89-49b6-8039-4fa069c7be7d.jpg?v=1794566917","url":"https:\/\/www.solidspare.com\/products\/wiseco-std-piston-crankshaft-gasket-set-77-00-mm-for-yamaha-wr250f-2005-2013-12","provider":"Solid Spare","version":"1.0","type":"link"}