{"product_id":"namura-top-end-repair-for-yamaha-1998-2005-800-pwc-020-over-bore-80-5mm","title":"Namura Top End Repair for Yamaha 1998-2005 800 PWC .020 Over Bore 80.5mm","description":"\u003ch2\u003eTop End Repair for Namura\u003c\/h2\u003e\u003cp\u003eThis top end repair kit is designed for Yamaha 800 PWC models from 1998-2005, featuring a .020 over bore and 80.5mm diameter. It includes a piston, rings, and gasket set to restore engine compression and performance. Designed for rebuilding personal watercraft engines, this top end repair ensures a precise fit.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe top end repair kit for Yamaha 800 PWC is a complete solution for refreshing worn cylinders. It provides .020 over bore sizing and 80.5mm piston diameter to match a variety of rebuild requirements. This top end repair kit is ideal for DIY mechanics and marine enthusiasts looking to extend engine life.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.020 over bore provides a fresh sealing surface\u003c\/li\u003e\n\u003cli\u003e80.5mm piston manufactured to tight tolerances\u003c\/li\u003e\n\u003cli\u003eIncludes premium rings for optimal compression\u003c\/li\u003e\n\u003cli\u003eComplete gasket set prevents leaks\u003c\/li\u003e\n\u003cli\u003eDirectly replaces worn top end components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha 800 PWC (1998-2005)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding Yamaha WaveRunner and other 800 PWC engines\u003c\/li\u003e\n\u003cli\u003eRestoring compression after high hours or wear\u003c\/li\u003e\n\u003cli\u003ePerforming a top end overhaul in marine repair shops\u003c\/li\u003e\n\u003cli\u003eInstalling an oversized piston for increased displacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha 800 PWC 1998-2005\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 Is the piston cast or forged? \u003cstrong\u003eA:\u003c\/strong\u003e This top end repair kit uses a high-quality cast piston with durable rings for reliable performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to bore the cylinder to .020 over? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit is meant for a cylinder that has been bored .020 oversize; professional machining is recommended.\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":44949959114838,"sku":"SZ1F16329","price":422.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_8b12da5b-4f44-4de3-a971-b1f394aced13.jpg?v=1781401478","url":"https:\/\/www.solidspare.com\/products\/namura-top-end-repair-for-yamaha-1998-2005-800-pwc-020-over-bore-80-5mm","provider":"Solid Spare","version":"1.0","type":"link"}