{"product_id":"520m04850-wiseco-020-oversize-piston-kit-48-50mm-for-yamaha-yz80-1985-1987","title":"520M04850 Wiseco .020 Oversize Piston Kit 48.50mm for Yamaha YZ80 1985-1987","description":"\u003ch2\u003eWiseco .020 Piston Kit for Yamaha YZ80\u003c\/h2\u003e\u003cp\u003eThis Wiseco .020 piston kit for Yamaha YZ80 restores top end compression on 1985 through 1987 models, and the 48.50 mm bore size cross references OEM part 520M04850.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .020 piston kit is a top end rebuild component for the Yamaha YZ80 built from 1985 to 1987. The 48.50 mm piston works with a .020 oversize bore, letting a worn or scored cylinder be refinished and returned to service. It suits riders and mechanics rebuilding a YZ80 minis bike top end.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.020 oversize bore sizing for refinished cylinders\u003c\/li\u003e\n\u003cli\u003e48.50 mm piston diameter\u003c\/li\u003e\n\u003cli\u003eWiseco forged piston construction\u003c\/li\u003e\n\u003cli\u003eKit format for a complete top end rebuild\u003c\/li\u003e\n\u003cli\u003eCross references OEM 520M04850\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ80 1985\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ80 1986\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ80 1987\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds after cylinder scoring or seizure\u003c\/li\u003e\n\u003cli\u003eOversize bore correction on worn cylinders\u003c\/li\u003e\n\u003cli\u003eMotocross and trail maintenance on YZ80 minis\u003c\/li\u003e\n\u003cli\u003eShop rebuilds where a matched piston and ring set is needed\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\u003e520M04850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48.50 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.020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiseco\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 What does .020 oversize mean for my cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e It means the cylinder must be bored and honed to match the 48.50 mm piston, so measure your bore before ordering. \u003cstrong\u003eQ:\u003c\/strong\u003e Is this piston kit a direct fit? \u003cstrong\u003eA:\u003c\/strong\u003e It is built for Yamaha YZ80 1985 to 1987 applications, but confirming your model year and current bore size is recommended.\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":51140019093590,"sku":"OO1C22438","price":281.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_f92f7088-3ded-4e25-a25d-f0a1a19b4b40.jpg?v=1794565843","url":"https:\/\/www.solidspare.com\/products\/520m04850-wiseco-020-oversize-piston-kit-48-50mm-for-yamaha-yz80-1985-1987","provider":"Solid Spare","version":"1.0","type":"link"}