{"product_id":"846m05800-wiseco-gp-series-4mm-piston-kit-for-yamaha-yz125-2005-2019-58-00-mm","title":"846M05800 Wiseco GP Series +4mm Piston Kit for Yamaha YZ125 2005-2019 58.00 mm","description":"\u003ch2\u003eWiseco GP Series +4mm Piston Kit for Yamaha YZ125\u003c\/h2\u003e\u003cp\u003eThis Wiseco GP Series +4mm Piston Kit for Yamaha YZ125 increases displacement with a 58.00 mm big bore piston, cross referencing 846M05800 for a direct fit.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Wiseco GP Series +4mm Piston Kit for Yamaha YZ125 is a big bore top end kit engineered around a 58.00 mm piston. This piston kit for Yamaha YZ125 adds displacement for stronger low end and midrange pull on the track. Built for racers and builders running a big bore cylinder on their Wiseco GP Series piston kit.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e58.00 mm big bore piston for increased displacement\u003c\/li\u003e\n\u003cli\u003e+4mm oversize over the standard 54.00 mm bore\u003c\/li\u003e\n\u003cli\u003eGP Series forged construction for high strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips for a complete rebuild\u003c\/li\u003e\n\u003cli\u003ePrecision machined skirt and crown for consistent cylinder sealing\u003c\/li\u003e\n\u003cli\u003eCross references part number 846M05800\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ125 2005\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2006\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2007\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2008\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2009\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2010\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2011\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2012\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2013\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2014\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2015\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2016\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2017\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2018\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2019\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBig bore builds on motocross bikes\u003c\/li\u003e\n\u003cli\u003eDisplacement increases for race engines\u003c\/li\u003e\n\u003cli\u003eTrail and woods riding with added torque\u003c\/li\u003e\n\u003cli\u003eTop end rebuilds paired with a matching big bore cylinder\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\u003e846M05800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e58.00 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+4 mm over standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiseco GP Series\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, rings, wrist pin, circlips\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 require cylinder modifications? \u003cstrong\u003eA:\u003c\/strong\u003e This +4mm piston requires a matching big bore cylinder and re plating to the 58.00 mm bore. Confirm the cylinder work is completed before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is included in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit ships with the piston, rings, wrist pin, and circlips needed for a top end rebuild. Always check ring end gap during 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":51140062478422,"sku":"OO1C22499","price":417.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_0128d670-316a-4bdd-bca3-930f5aab5255.jpg?v=1794565915","url":"https:\/\/www.solidspare.com\/products\/846m05800-wiseco-gp-series-4mm-piston-kit-for-yamaha-yz125-2005-2019-58-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}