{"product_id":"spi-020-over-bore-piston-kit-for-yamaha-many-phazer-venture-480-500-72-5mm","title":"SPI .020 Over Bore Piston Kit for Yamaha many Phazer Venture 480 \u0026 500 72.5mm","description":"\u003ch2\u003eSPI .020 Over Bore Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis SPI .020 over bore piston kit is designed for Yamaha Phazer and Venture 480\/500 snowmobile engines, providing a direct replacement to restore compression and performance. The kit includes a 72.5mm piston (0.020 in oversize) along with rings and wrist pin for a complete top-end overhaul.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis SPI .020 over bore piston kit is engineered for Yamaha Phazer and Venture 480\/500 engines, delivering a precise fit and reliable power restoration. The 72.5mm piston replaces worn factory pistons and is ideal for rebuilding snowmobile engines to like-new condition. Whether you're refreshing an old Phazer or repairing a Venture 500, this kit offers a cost-effective solution.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 72.5mm piston (0.020 in oversize) for a tight cylinder fit\u003c\/li\u003e\n\u003cli\u003eDurable cast or forged construction (confirm with manufacturer) to withstand high temperatures\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and circlips for a complete installation\u003c\/li\u003e\n\u003cli\u003eDesigned to restore compression and reduce oil consumption in worn engines\u003c\/li\u003e\n\u003cli\u003eCompatible with Yamaha Phazer and Venture 480\/500 models requiring a 0.020 over bore\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Phazer (various years with 480\/500cc engines)\u003c\/li\u003e\n\u003cli\u003efor Yamaha Venture 480\u003c\/li\u003e\n\u003cli\u003efor Yamaha Venture 500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding top-end of Yamaha Phazer snowmobile engines\u003c\/li\u003e\n\u003cli\u003eOverhauling Yamaha Venture 480\/500 engines for restored performance\u003c\/li\u003e\n\u003cli\u003ePerforming cylinder honing and piston replacement during engine rebuilds\u003c\/li\u003e\n\u003cli\u003eReplacing worn or seized pistons to extend engine life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020 Over Bore Piston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e72.5mm (0.020 in oversize)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Phazer \u0026amp; Venture 480\/500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin, circlips\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 a complete piston kit?\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes the piston, piston rings, wrist pin, and circlips needed for installation. Additional gaskets and seals are sold separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the compression ratio for this piston?\u003cstrong\u003eA:\u003c\/strong\u003e The compression ratio matches the original equipment specification; refer to your service manual for exact data.\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":44890474807382,"sku":"SZ1F11466","price":131.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_2a2aa244-715e-48a1-936b-f7df4968ee89.jpg?v=1781140105","url":"https:\/\/www.solidspare.com\/products\/spi-020-over-bore-piston-kit-for-yamaha-many-phazer-venture-480-500-72-5mm","provider":"Solid Spare","version":"1.0","type":"link"}