{"product_id":"477m04850-wiseco-060-oversize-piston-kit-48-50mm-for-yamaha-yz80-1982-1983","title":"477M04850 Wiseco .060 Oversize Piston Kit 48.50mm for Yamaha YZ80 1982-1983","description":"\u003ch2\u003ePiston Kit for Yamaha YZ80\u003c\/h2\u003e\u003cp\u003eThis Wiseco .060 piston kit is a 48.50 mm oversize piston assembly for Yamaha YZ80 models, engineered to restore compression and top-end performance. It cross-references 477M04850 for accurate replacement matching.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .060 piston kit delivers a 48.50 mm oversize replacement piston for Yamaha YZ80 machines needing a top-end refresh. Riders and mechanics rely on the Wiseco .060 piston kit for its forged construction and precise bore sizing. It suits rebuilds where the cylinder has been machined .060 over stock.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for added strength under high-rpm loads\u003c\/li\u003e\n\u003cli\u003e.060 oversize at 48.50 mm to match a rebored cylinder\u003c\/li\u003e\n\u003cli\u003eDesigned as a direct replacement for the 477M04850 reference\u003c\/li\u003e\n\u003cli\u003eSuitable for two-stroke top-end rebuilds\u003c\/li\u003e\n\u003cli\u003ePrecision machined for consistent ring seal and compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ80 1982\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ80 1983\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after cylinder boring\u003c\/li\u003e\n\u003cli\u003eMotocross and trail riding maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring compression on worn two-stroke engines\u003c\/li\u003e\n\u003cli\u003eRace prep and engine refresh projects\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\u003e477M04850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\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.060\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 Will this fit a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This piston is .060 oversize and requires the cylinder to be bored to match 48.50 mm. Confirm the current bore size before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this a complete top-end kit? \u003cstrong\u003eA:\u003c\/strong\u003e This listing covers the piston kit as described. Check whether gaskets, rings, or pins are included before purchase.\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":51140020535382,"sku":"OO1C22442","price":303.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_12bbf815-830f-48c0-bcbf-399e9fe68fd3.jpg?v=1794565837","url":"https:\/\/www.solidspare.com\/products\/477m04850-wiseco-060-oversize-piston-kit-48-50mm-for-yamaha-yz80-1982-1983","provider":"Solid Spare","version":"1.0","type":"link"}