{"product_id":"spi-040-over-bore-piston-kit-for-ski-doo-500-fan-cooled-sleds-73mm-see-desc","title":"SPI .040 Over Bore Piston Kit for Ski-Doo 500 Fan Cooled Sleds 73mm SEE DESC","description":"\u003ch2\u003eSPI .040 Over Bore Piston Kit for Ski-Doo\u003c\/h2\u003e\u003cp\u003eThis SPI .040 over bore piston kit is a 73mm replacement for Ski-Doo 500 fan cooled snowmobiles, restoring compression and engine performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis SPI .040 over bore piston kit is designed for Ski-Doo 500 fan cooled sleds, providing a 73mm bore size to refresh worn cylinders. It offers a reliable solution for restoring compression and power in two-stroke snowmobile engines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.040 over bore sizing compensates for cylinder wear\u003c\/li\u003e\n\u003cli\u003e73mm piston diameter matches the Ski-Doo 500 fan cooled specification\u003c\/li\u003e\n\u003cli\u003eIncludes piston, rings, and wrist pin for a complete replacement\u003c\/li\u003e\n\u003cli\u003eManufactured by SPI for quality and fitment\u003c\/li\u003e\n\u003cli\u003eDesigned for use with fan cooled engines to ensure proper cooling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Ski-Doo 500 Fan Cooled Sleds\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSnowmobiling and trail riding\u003c\/li\u003e\n\u003cli\u003eRecreational winter sports\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds and top-end overhauls\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\u003e73mm\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\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo-stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSki-Doo 500 Fan Cooled\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 this piston kit compatible with liquid cooled Ski-Doo models? \u003cstrong\u003eA:\u003c\/strong\u003e No, this kit is specifically for fan cooled Ski-Doo 500 sleds; liquid cooled models use different piston specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to bore the cylinder to use this .040 over piston? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder must be bored to .040 over size to match the piston's increased diameter for proper clearance.\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":44890445414486,"sku":"SZ1F11172","price":120.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_94c0d102-54ea-431f-aeb9-cb05dd3dc107.jpg?v=1781139456","url":"https:\/\/www.solidspare.com\/products\/spi-040-over-bore-piston-kit-for-ski-doo-500-fan-cooled-sleds-73mm-see-desc","provider":"Solid Spare","version":"1.0","type":"link"}