{"product_id":"653m04100-wiseco-040-piston-kit-for-yamaha-pw50-1981-2024-41-00-mm","title":"653M04100 Wiseco .040 Piston Kit for Yamaha PW50 1981-2024 41.00 mm","description":"\u003ch2\u003eWiseco .040 Piston Kit for Yamaha PW50\u003c\/h2\u003e\u003cp\u003eWiseco .040 piston kit for Yamaha PW50 models, an oversize rebuild piston kit with a 41.00 mm bore that restores compression and top end power, referenced under part number 653M04100.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .040 piston kit for Yamaha PW50 fits 1981 through 2024 models and delivers a reliable top end refresh for worn engines. The 41.00 mm oversize piston kit includes the piston needed to bore and rebuild the cylinder for renewed performance. It suits riders and mechanics servicing PW50 minibikes who want a proven Wiseco piston kit for Yamaha PW50 applications.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.040 oversize bore at 41.00 mm for a clean, refinished cylinder\u003c\/li\u003e\n\u003cli\u003eWiseco forged piston construction for strength under heat and load\u003c\/li\u003e\n\u003cli\u003eDirect reference part number 653M04100 for easy lookup\u003c\/li\u003e\n\u003cli\u003eDesigned as a top end rebuild component for the Yamaha PW50\u003c\/li\u003e\n\u003cli\u003eOversize design compensates for cylinder wear during rebuild\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 1982-2000\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 after compression loss\u003c\/li\u003e\n\u003cli\u003eCylinder boring and honing service on PW50 engines\u003c\/li\u003e\n\u003cli\u003eYouth minibike maintenance and repair\u003c\/li\u003e\n\u003cli\u003eRestoring power on high hour PW50 machines\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\u003e653M04100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e41.00 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.040\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\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha PW50 1981-2024\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 the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, a .040 oversize piston needs the cylinder bored and honed to match the 41.00 mm size. Machine work should be done by a qualified shop before assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit every Yamaha PW50 year listed? \u003cstrong\u003eA:\u003c\/strong\u003e It is listed for 1981 through 2024 PW50 models, but fit can depend on the current cylinder condition and prior overbores. Confirm your bore size before ordering.\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":51140132470870,"sku":"OO1C22602","price":217.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_9dd47b6f-d320-4785-8c5d-33956815a5a1.jpg?v=1794565968","url":"https:\/\/www.solidspare.com\/products\/653m04100-wiseco-040-piston-kit-for-yamaha-pw50-1981-2024-41-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}