{"product_id":"namura-020-over-bore-piston-rings-for-yamaha-700-pwc-fits-1993-2020-81-5mm","title":"Namura .020 Over Bore Piston Rings for Yamaha 700 PWC fits 1993-2020 81.5mm","description":"\u003ch2\u003e.020 Over Bore Piston Rings for Namura\u003c\/h2\u003e\u003cp\u003eThis set of .020 over bore piston rings for Namura replaces worn compression components to restore proper cylinder sealing in Yamaha 700 PWC engines. These piston rings for Namura are engineered to maintain high internal pressure and support optimal engine longevity.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese .020 over bore piston rings for Namura are designed to provide a precise seal within the cylinder bore for improved combustion efficiency. Operators utilize these piston rings for Namura during engine rebuilds to compensate for cylinder wear and ensure the 81.5mm bore remains within tolerance. This component is an essential part for mechanics servicing Yamaha watercraft.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision machined for 81.5mm cylinder bores\u003c\/li\u003e\n\u003cli\u003eHardened steel construction for high heat resistance\u003c\/li\u003e\n\u003cli\u003eEnhanced ring tension to minimize blow-by\u003c\/li\u003e\n\u003cli\u003eChrome coated surfaces reduce friction during operation\u003c\/li\u003e\n\u003cli\u003eCompatible with standard aftermarket pistons\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha 1993-2020 700 PWC models\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring compression in high-hour PWC engines\u003c\/li\u003e\n\u003cli\u003eEngine overhauling after top-end cylinder wear\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance for race or recreation craft\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\u003e81.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020\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 When should these rings be installed? \u003cstrong\u003eA:\u003c\/strong\u003e These should be installed when the cylinder block has been bored .020 over to accommodate new oversized pistons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to gap these rings? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, always verify ring end gap in the cylinder bore before installation to ensure the clearances meet manufacturer specifications.\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":44792310726742,"sku":"SZ1F02676","price":33.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_8187e439-f771-418f-8df6-5416dd84c80c.jpg?v=1780067078","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-rings-for-yamaha-700-pwc-fits-1993-2020-81-5mm","provider":"Solid Spare","version":"1.0","type":"link"}