{"product_id":"namura-standard-bore-piston-kit-for-yamaha-pw50-fits-1981-2024-pw-50-40mm","title":"Namura Standard Bore Piston Kit for Yamaha PW50 fits 1981-2024 PW 50 - 40mm","description":"\u003ch2\u003eNamura Standard Bore Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis Naruma standard bore piston kit for Yamaha PW50 fits 1981-2024 models with a 40mm diameter piston, designed to restore stock compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Namura standard bore piston kit for Yamaha PW50 provides a direct replacement 40mm piston for engines without cylinder boring. Suitable for the 1981-2024 PW 50, this kit restores power and reliability.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 40mm piston at standard bore size\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction for durability\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and circlips\u003c\/li\u003e\n\u003cli\u003eDesigned to match OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha PW50 (1981-2024)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eYouth motorcycle training and recreational riding\u003c\/li\u003e\n\u003cli\u003eEngine refresh without oversize machining\u003c\/li\u003e\n\u003cli\u003eMaintenance for worn piston and rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore\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 cylinder boring? \u003cstrong\u003eA:\u003c\/strong\u003e No, it is a standard bore size and directly replaces the original piston without cylinder machining.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are the piston rings included? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes rings, wrist pin, and circlips for a complete 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":44888534941782,"sku":"SZ1F09851","price":92.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_11be49c5-de69-47b5-9e07-1e587697dc54.jpg?v=1781094786","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-kit-for-yamaha-pw50-fits-1981-2024-pw-50-40mm","provider":"Solid Spare","version":"1.0","type":"link"}