{"product_id":"4982m08300-wiseco-6-mm-piston-kit-for-yamaha-wr250f-2001-2013-83-00-mm-13-1","title":"4982M08300 Wiseco +6 mm Piston Kit for Yamaha WR250F 2001-2013 83.00 mm 13:1","description":"\u003ch2\u003ePiston Kit for Yamaha WR250F\u003c\/h2\u003e\u003cp\u003eThis Wiseco +6 mm piston kit for Yamaha WR250F delivers a big bore replacement for worn top ends, cross-referenced under part number 4982M08300 and sized at 83.00 mm with a 13:1 compression ratio.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis piston kit for Yamaha WR250F is a big bore top end component that raises displacement and restores compression on tired engines. The 13:1 compression ratio and 83.00 mm bore make it a strong choice for riders rebuilding the top end of a 2001-2013 WR250F. Riders who want more punch from the quarter-liter four-stroke will find this piston kit for Yamaha WR250F a practical foundation for the rebuild.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged construction for strength under high-rpm four-stroke loads\u003c\/li\u003e\n\u003cli\u003e83.00 mm bore size with +6 mm oversize compared to the stock piston\u003c\/li\u003e\n\u003cli\u003e13:1 compression ratio for stronger combustion and improved response\u003c\/li\u003e\n\u003cli\u003eWiseco part number 4982M08300 for easy cross-reference\u003c\/li\u003e\n\u003cli\u003eKit format includes the piston and matched components for a complete top end refresh\u003c\/li\u003e\n\u003cli\u003eSized for the 2001-2013 WR250F engine family\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha WR250F 2001\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2002\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2003\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2004\u003c\/li\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 rebuilds on high-hour trail and enduro machines\u003c\/li\u003e\n\u003cli\u003eBig bore builds for riders wanting more displacement from the WR250F platform\u003c\/li\u003e\n\u003cli\u003eRace prep and engine freshen-ups between seasons\u003c\/li\u003e\n\u003cli\u003eOff-road and woods riding where low-end torque matters\u003c\/li\u003e\n\u003cli\u003eRestoring compression on engines with worn rings and pistons\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\u003e4982M08300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e83.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+6 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\u003e13:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2001-2013\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 piston kit require boring or replating? \u003cstrong\u003eA:\u003c\/strong\u003e A +6 mm oversize piston typically requires the cylinder to be bored or replaced with a matching big bore cylinder, so confirm your cylinder setup before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I run this with pump fuel at 13:1 compression? \u003cstrong\u003eA:\u003c\/strong\u003e Higher compression ratios often call for premium fuel or race gas depending on your build and jetting, so check your tuner's recommendation for the WR250F.\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":51139953623126,"sku":"OO1C22348","price":527.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_6f7b7fbc-bded-4c5e-8ae9-5533f6445185.jpg?v=1794565756","url":"https:\/\/www.solidspare.com\/products\/4982m08300-wiseco-6-mm-piston-kit-for-yamaha-wr250f-2001-2013-83-00-mm-13-1","provider":"Solid Spare","version":"1.0","type":"link"}