{"product_id":"namura-050-over-bore-piston-kit-for-yamaha-pw50-fits-1981-2024-models-41-25mm","title":"Namura .050 Over Bore Piston Kit for Yamaha PW50 fits 1981-2024 Models - 41.25mm","description":"\u003ch2\u003eNamura .050 Over Bore Piston Kit for Yamaha PW50 fits 1981-2024 Models - 41.25mm\u003c\/h2\u003e\u003cp\u003eThis Namura .050 over bore piston kit is designed for Yamaha PW50 models from 1981-2024, featuring a 41.25mm piston diameter for oversize cylinder applications.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .050 over bore piston kit is intended for Yamaha PW50 engines that have been bored to the first oversize. It includes piston, rings, wrist pin, and circlips. This kit allows continued use of the engine after cylinder boring.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-silicon aluminum alloy for lightweight durability\u003c\/li\u003e\n\u003cli\u003e.050 over bore size (41.25mm) for oversize cylinders\u003c\/li\u003e\n\u003cli\u003eIncludes rings, wrist pin, and circlips\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for proper ring seal\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM oversize pistons\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 motocross and trail riding\u003c\/li\u003e\n\u003cli\u003eEngine rebuilding after cylinder wear\u003c\/li\u003e\n\u003cli\u003ePerformance restoration of classic PW50 models\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 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.050 over (41.25mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.050 over\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin, circlips\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 Do I need to measure the cylinder before ordering this oversize piston? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, measure the cylinder bore to confirm it has been machined to 41.25mm to ensure proper piston clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use this piston with a standard bore cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this piston requires the cylinder to be bored to the .050 over specification; it will not fit a standard bore.\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":44888534679638,"sku":"SZ1F09843","price":92.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_dc94baa3-eccf-4714-96dd-bfd104413462.jpg?v=1781094775","url":"https:\/\/www.solidspare.com\/products\/namura-050-over-bore-piston-kit-for-yamaha-pw50-fits-1981-2024-models-41-25mm","provider":"Solid Spare","version":"1.0","type":"link"}