{"product_id":"namura-top-end-repair-kit-fits-kawasaki-1982-90-js-sx-550-020-over-bore-75-5mm","title":"Namura Top End Repair Kit fits Kawasaki 1982-90 JS SX 550 .020 Over Bore 75.5mm","description":"\u003ch2\u003eTop End Repair Kit for Kawasaki\u003c\/h2\u003e\u003cp\u003eThis top end repair kit is a complete engine rebuild set for Kawasaki JS 550 and SX 550 watercraft, featuring a .020 over bore (75.5mm) piston and gaskets.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis top end repair kit delivers all necessary components to restore compression and performance in Kawasaki JS and SX 550 two-stroke engines. Designed for a .020 over bore (75.5mm), it includes a precision-machined piston, rings, wrist pin, circlips, and a complete gasket set. Ideal for racers or recreational riders rebuilding a Kawasaki 550 top end.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes a .020 over bore (75.5mm) piston for increased displacement\u003c\/li\u003e\n\u003cli\u003eFeatures a high-strength aluminum alloy piston for durability\u003c\/li\u003e\n\u003cli\u003eComplete gasket set ensures leak-free sealing\u003c\/li\u003e\n\u003cli\u003ePrecision-machined components for consistent compression\u003c\/li\u003e\n\u003cli\u003eDesigned for easy installation with professional-grade fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Kawasaki JS 550 (1982-1990)\u003c\/li\u003e\n\u003cli\u003efor Kawasaki SX 550 (1982-1990)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring top-end compression on vintage Kawasaki stand-up jet skis\u003c\/li\u003e\n\u003cli\u003eRebuilding engines after a piston seizure or top-end failure\u003c\/li\u003e\n\u003cli\u003eUpgrading to a .020 over bore for increased power output\u003c\/li\u003e\n\u003cli\u003eReplacing worn cylinder components during full engine overhaul\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\u003e75.5mm (.020 over)\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 over stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKawasaki JS\/SX 550\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 included pre-assembled with rings? \u003cstrong\u003eA:\u003c\/strong\u003e The piston rings are included but need to be installed onto the piston; follow the manufacturer’s ring gap specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this kit is a top end repair kit that provides the piston, rings, gaskets, and hardware; the cylinder and cylinder head are not included.\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":44949832499286,"sku":"SZ1F15459","price":295.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_3e762462-34f3-4f62-b07a-0b47b30be98c.jpg?v=1781399791","url":"https:\/\/www.solidspare.com\/products\/namura-top-end-repair-kit-fits-kawasaki-1982-90-js-sx-550-020-over-bore-75-5mm","provider":"Solid Spare","version":"1.0","type":"link"}