{"product_id":"3-namura-piston-kits-for-yamaha-fits-2003-2008-gp-r-1300-020-over-bore-84-5mm","title":"3 Namura Piston Kits for Yamaha fits 2003-2008 GP-R 1300 .020 Over Bore 84.5mm","description":"\u003ch2\u003ePiston Kits for Yamaha\u003c\/h2\u003e\u003cp\u003eThis set of three piston kits is designed for Yamaha GP-R 1300 personal watercraft engines from 2003 to 2008, featuring a .020 over bore of 84.5mm for rebuilding worn cylinders. Each kit provides the pistons, rings, and pins needed for a top-end overhaul.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThree Namura piston kits for Yamaha GP-R 1300 engines deliver a .020 over bore at 84.5mm, ideal for restoring compression and power in high-mileage watercraft. These piston kits are engineered to match OEM specifications, ensuring reliable performance for Yamaha GP-R 1300 owners seeking a cost-effective rebuild solution. Whether you are refreshing a single engine or building for racing, these piston kits offer quality components for a complete top-end job.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eManufactured from high-silicon aluminum alloy for durability and heat resistance\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ensure proper ring sealing\u003c\/li\u003e\n\u003cli\u003eIncludes piston, rings, wrist pin, and circlips for a complete set\u003c\/li\u003e\n\u003cli\u003e.020 over bore (84.5mm) allows for cylinder cleanup and oversize fitment\u003c\/li\u003e\n\u003cli\u003eLightweight design reduces reciprocating mass for improved throttle response\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha GP-R 1300 (2003-2008)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCommonly used in high-performance personal watercraft rebuilds\u003c\/li\u003e\n\u003cli\u003eIdeal for restoring lost compression in worn engines\u003c\/li\u003e\n\u003cli\u003eSuitable for recreational and competitive riding applications\u003c\/li\u003e\n\u003cli\u003eOften selected by DIY mechanics for top-end overhauls\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\u003e84.5mm (.020 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\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha GP-R 1300\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 What engines do these piston kits fit? \u003cstrong\u003eA:\u003c\/strong\u003e They are designed for Yamaha GP-R 1300 engines from 2003 to 2008, specifically with a .020 over bore of 84.5mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are these complete kits? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, each kit includes a piston, rings, wrist pin, and circlips; you will need to reuse or replace other top-end gaskets separately.\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":44949957836886,"sku":"SZ1F16300","price":417.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_94f604db-d06b-4cca-96ca-5f59ef948181.jpg?v=1781401441","url":"https:\/\/www.solidspare.com\/products\/3-namura-piston-kits-for-yamaha-fits-2003-2008-gp-r-1300-020-over-bore-84-5mm","provider":"Solid Spare","version":"1.0","type":"link"}