{"product_id":"653m04200-wiseco-080-piston-kit-for-yamaha-pw50-1981-2024-42-00-mm","title":"653M04200 Wiseco .080 Piston Kit for Yamaha PW50 1981-2024 42.00 mm","description":"\u003ch2\u003eWiseco .080 Piston Kit for Yamaha PW50\u003c\/h2\u003e\u003cp\u003eThis Wiseco .080 piston kit for Yamaha PW50 restores compression and top-end power on 1981-2024 PW50 models, with the kit cross-referencing 653M04200 at a 42.00 mm bore size.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .080 piston kit for Yamaha PW50 is a top-end rebuild component that replaces a worn or scored piston to bring compression and performance back to spec. Built as a 42.00 mm oversize kit under part 653M04200, it suits riders and mechanics refreshing a high-hour PW50 engine. The piston kit for Yamaha PW50 covers the 1981-2024 model run.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for strength under heat and load\u003c\/li\u003e\n\u003cli\u003e.080 oversize at 42.00 mm bore to clean up a worn cylinder\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips\u003c\/li\u003e\n\u003cli\u003eCross-references 653M04200 for easy part matching\u003c\/li\u003e\n\u003cli\u003eDesigned for the PW50 single-cylinder two-stroke top end\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha PW50 1981\u003c\/li\u003e\n\u003cli\u003efor Yamaha PW50 1982-1990\u003c\/li\u003e\n\u003cli\u003efor Yamaha PW50 1991-2000\u003c\/li\u003e\n\u003cli\u003efor Yamaha PW50 2001-2010\u003c\/li\u003e\n\u003cli\u003efor Yamaha PW50 2011-2024\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 PW50 youth bikes\u003c\/li\u003e\n\u003cli\u003eRestoring compression lost to piston and ring wear\u003c\/li\u003e\n\u003cli\u003eReconditioning a cylinder bored to the .080 oversize\u003c\/li\u003e\n\u003cli\u003eShop and home garage 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\u003e653M04200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42.00 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.080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston kit with rings, pin, and circlips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha PW50\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 the .080 oversize mean for my cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e The .080 oversize piston requires the cylinder to be bored and honed to match the larger 42.00 mm diameter. Verify your cylinder has enough material left before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit include everything for a top-end rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e It ships with the piston, rings, wrist pin, and circlips needed for reassembly. Gaskets and bearings are separate items.\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":51140132044886,"sku":"OO1C22600","price":230.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c4d50fde-d9bd-4a74-9f64-9811c755df74.jpg?v=1794565981","url":"https:\/\/www.solidspare.com\/products\/653m04200-wiseco-080-piston-kit-for-yamaha-pw50-1981-2024-42-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}