{"product_id":"namura-040-over-bore-piston-kit-for-sea-doo-580-pwc-1990-1996-77mm-see-list","title":"Namura .040 Over Bore Piston Kit for Sea-Doo 580 PWC 1990-1996 77mm SEE LIST","description":"\u003ch2\u003e.040 Over Bore Piston Kit for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis .040 over bore piston kit is designed for Sea-Doo 580 PWC models from 1990 to 1996, restoring engine compression and performance with a precise 77mm piston diameter. OEM cross-reference numbers are listed in the accompanying fitment guide for easy verification.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .040 over bore piston kit for Sea-Doo 580 PWC provides a direct replacement to rejuvenate worn engines, offering a reliable solution for boosting power and efficiency. The kit includes a high-quality piston and rings, engineered to meet original specifications for a seamless installation.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 77mm piston for exact fitment\u003c\/li\u003e\n\u003cli\u003eDurable ring set reduces blow-by and oil consumption\u003c\/li\u003e\n\u003cli\u003eHeat-treated alloy withstands high combustion temperatures\u003c\/li\u003e\n\u003cli\u003eCoated skirt minimizes friction and wear\u003c\/li\u003e\n\u003cli\u003eBalanced design reduces vibration for smoother operation\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 Sea-Doo 580 engines after top-end wear\u003c\/li\u003e\n\u003cli\u003eReplacing piston due to scoring, seizure, or loss of compression\u003c\/li\u003e\n\u003cli\u003eRestoring performance in vintage PWC for recreational use\u003c\/li\u003e\n\u003cli\u003eEngine overhaul projects requiring a .040 over bore size\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e77mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040\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 1990-1996\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 Can I use this piston kit for a different overbore size? \u003cstrong\u003eA:\u003c\/strong\u003e No, this kit is specifically .040 over bore; using it with a different bore will cause poor fitment and potential engine damage. Always verify your cylinder bore before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include wrist pins and circlips? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the piston and rings – wrist pins and circlips may need to be sourced separately depending on the specific model, so check your original components.\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":44890376405078,"sku":"SZ1F10493","price":109.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_fe6169f5-4f22-43d1-a589-17c1b9f304b4.jpg?v=1781138491","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-sea-doo-580-pwc-1990-1996-77mm-see-list","provider":"Solid Spare","version":"1.0","type":"link"}