{"product_id":"namura-010-over-bore-piston-rings-for-yamaha-pw50-fits-1981-2024-models-40-25mm","title":"Namura .010 Over Bore Piston Rings for Yamaha PW50 fits 1981-2024 Models 40.25mm","description":"\u003ch2\u003ePiston Rings for for Yamaha\u003c\/h2\u003e\u003cp\u003eThese .010 over bore piston rings for for Yamaha PW50 40.25mm replace worn rings to restore cylinder sealing and engine compression.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eEngineered for the small-bore engines found in youth bikes, these .010 over bore piston rings for for Yamaha PW50 40.25mm maintain consistent combustion chamber pressure. These .010 over bore piston rings for for Yamaha PW50 40.25mm are constructed to withstand the high-RPM demands of 2-stroke operation. Regular replacement of these .010 over bore piston rings for for Yamaha PW50 40.25mm helps prevent power loss and oil fouling.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngineered for 2-stroke heat cycles\u003c\/li\u003e\n\u003cli\u003eWear-resistant alloy composition\u003c\/li\u003e\n\u003cli\u003ePrecisely sized for .010 over bore cylinders\u003c\/li\u003e\n\u003cli\u003eSuperior sealing against blow-by\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\u003eTop-end engine rebuilds for mini-bikes\u003c\/li\u003e\n\u003cli\u003eRestoring power to engines with low compression\u003c\/li\u003e\n\u003cli\u003eRepairing cylinder scoring or worn rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to hone the cylinder before installing these rings? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, lightly honing the cylinder wall is necessary to help these piston rings for for Yamaha seat properly during the break-in process.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I identify if I need .010 over rings? \u003cstrong\u003eA:\u003c\/strong\u003e You must measure your cylinder bore to confirm it has been machined to a .010 over specification before purchasing these piston rings for for Yamaha.\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":44792219861078,"sku":"SZ1F01201","price":26.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_ca31ea54-aab8-4825-b416-d4bd1abb7c66.jpg?v=1780063886","url":"https:\/\/www.solidspare.com\/products\/namura-010-over-bore-piston-rings-for-yamaha-pw50-fits-1981-2024-models-40-25mm","provider":"Solid Spare","version":"1.0","type":"link"}