{"product_id":"namura-top-end-repair-for-yamaha-1996-2004-1200-pwc-020-over-bore-84-5mm","title":"Namura Top End Repair for Yamaha 1996-2004 1200 PWC .020 Over Bore 84.5mm","description":"\u003ch2\u003eNamura Top End Repair for Yamaha 1200 PWC .020 Over Bore 84.5mm\u003c\/h2\u003e\u003cp\u003eThis top end repair kit supplies pistons, rings, wrist pins, and gaskets for rebuilding Yamaha 1200 PWC engines from 1996 to 2004 with a .020 over bore of 84.5mm.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura top end repair for Yamaha 1200 PWC includes all essential components to restore engine compression and performance. Designed as a direct replacement for the worn top end, this .020 over bore kit with 84.5mm pistons allows for machining the cylinder to a clean, round bore. Suitable for DIY mechanics and professional technicians rebuilding a Yamaha 1200 PWC.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes piston rings, wrist pins, circlips, and complete gasket set\u003c\/li\u003e\n\u003cli\u003ePistons feature a precision-machined skirt for reduced friction\u003c\/li\u003e\n\u003cli\u003eRing end gap pre‑checked for consistent cylinder sealing\u003c\/li\u003e\n\u003cli\u003eWrist pin bores hardened for long pin life\u003c\/li\u003e\n\u003cli\u003eGaskets designed to match Yamaha 1200 PWC cooling and sealing requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha 1200 PWC (1996‑2004)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn‑The‑Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine top‑end rebuild after cylinder scoring or wear\u003c\/li\u003e\n\u003cli\u003eRestoring lost compression on high‑mileage Yamaha 1200 PWC\u003c\/li\u003e\n\u003cli\u003ePerformance refresh when upgrading to larger bore pistons\u003c\/li\u003e\n\u003cli\u003eMarine engine overhaul for personal watercraft\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\u003e84.5 mm (0.020 in. over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.020 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha 1200 PWC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1996‑2004\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 cylinder honing required with this over‑bore kit? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder must be bored and honed to 84.5mm by a qualified machine shop to ensure proper ring seating and piston clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include the cylinder head gasket? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, a complete gasket set for the top end is included, covering base, head, and exhaust gaskets for a full rebuild.\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":44949986836566,"sku":"SZ1F16774","price":608.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_4573128c-02ed-493f-86df-abccf882cf28.jpg?v=1781402019","url":"https:\/\/www.solidspare.com\/products\/namura-top-end-repair-for-yamaha-1996-2004-1200-pwc-020-over-bore-84-5mm","provider":"Solid Spare","version":"1.0","type":"link"}