{"product_id":"namura-020-over-bore-piston-kit-for-sea-doo-580-pwc-1990-1996-76-5mm-see-list","title":"Namura .020 Over Bore Piston Kit for Sea-Doo 580 PWC 1990-1996 76.5mm SEE LIST","description":"\u003ch2\u003eNamura .020 Over Bore Piston Kit for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis Namura .020 over bore piston kit is a 76.5mm replacement piston assembly designed for Sea-Doo 580 PWC engines from 1990 to 1996.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 Over Bore Piston Kit provides a precisely machined piston, rings, wrist pin, and circlips for Sea-Doo 580 PWC engines. This 76.5mm oversize piston restores compression and performance when the cylinder is bored to 0.020 over stock. Ideal for mechanics rebuilding a 1990-1996 Sea-Doo 580 personal watercraft, this Namura .020 over bore piston kit ensures a reliable top-end rebuild.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOversized 0.020 over bore (76.5mm) accommodates cylinder wear and allows a fresh bore\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy piston withstands combustion loads in two-stroke PWC engines\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring lands and pin bore ensure proper ring seal and wrist pin alignment\u003c\/li\u003e\n\u003cli\u003eIncludes pin, circlips, and rings for a complete piston assembly\u003c\/li\u003e\n\u003cli\u003eDesigned for direct replacement in Sea-Doo 580 engine cases\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo 580 PWC (1990-1996)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding a Sea-Doo 580 top end after scoring or blow-by\u003c\/li\u003e\n\u003cli\u003eRestoring compression for reliable summer riding\u003c\/li\u003e\n\u003cli\u003eMachining the cylinder to 0.020 over and installing this piston kit\u003c\/li\u003e\n\u003cli\u003ePerforming a full engine overhaul on a 1990-1996 Sea-Doo 580\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\u003e76.5mm (0.020 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.020-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo 580 PWC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1990-1996\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 Do I need to bore the cylinder to use this kit? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this is a 0.020 over bore piston kit so the cylinder must be machined to 76.5mm to achieve proper clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What components are included in this kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the piston, piston rings, wrist pin, and circlips—everything needed for a top-end rebuild on a Sea-Doo 580.\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":44890376503382,"sku":"SZ1F10495","price":109.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_4c47bc3e-a4c2-4c99-b997-2f161cc7b9de.jpg?v=1781138494","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-kit-for-sea-doo-580-pwc-1990-1996-76-5mm-see-list","provider":"Solid Spare","version":"1.0","type":"link"}