{"product_id":"2-namura-piston-kits-for-kawasaki-1982-1990-jet-ski-js-550-sx-550-std-bore-75mm","title":"2 Namura Piston Kits for Kawasaki 1982-1990 Jet Ski JS 550, SX 550 STD Bore 75mm","description":"\u003ch2\u003e2 Namura Piston Kits for Kawasaki\u003c\/h2\u003e\u003cp\u003eThese two Namura piston kits provide a direct replacement for 1982-1990 Kawasaki Jet Ski JS 550 and SX 550 models at standard bore size 75mm, delivering reliable performance for your personal watercraft.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese Namura piston kits are engineered to restore compression and power in Kawasaki Jet Ski engines. Each kit includes a piston, rings, and pin for a complete top-end rebuild. Ideal for JS 550 and SX 550 models, these piston kits revive worn-out cylinders.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-quality cast aluminum pistons for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves for proper seal\u003c\/li\u003e\n\u003cli\u003eIncludes wrist pin and circlips for hassle-free installation\u003c\/li\u003e\n\u003cli\u003eOEM-spec dimensions ensure direct fitment\u003c\/li\u003e\n\u003cli\u003eDesigned for water‑cooled two‑stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Kawasaki Jet Ski JS 550 (1982‑1990)\u003c\/li\u003e\n\u003cli\u003efor Kawasaki Jet Ski SX 550 (1982‑1990)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring compression on personal watercraft\u003c\/li\u003e\n\u003cli\u003eReplacing worn or scored pistons\u003c\/li\u003e\n\u003cli\u003ePreparing a Jet Ski for racing or recreation\u003c\/li\u003e\n\u003cli\u003eMaintaining stock performance in vintage models\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\u003e75mm (Standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Kits\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 550 \/ 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 Are these piston kits compatible with aftermarket cylinders? \u003cstrong\u003eA:\u003c\/strong\u003e These piston kits are designed for standard bore cylinders; verify cylinder condition before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do the kits include all necessary hardware? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, each kit includes piston, rings, wrist pin, and circlips for a complete 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":44949765095510,"sku":"SZ1F14394","price":217.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_c5b0cc34-8a34-4ad4-b1dc-e5167e8a16d9.jpg?v=1781398395","url":"https:\/\/www.solidspare.com\/products\/2-namura-piston-kits-for-kawasaki-1982-1990-jet-ski-js-550-sx-550-std-bore-75mm","provider":"Solid Spare","version":"1.0","type":"link"}