{"product_id":"spi-040-over-bore-piston-kit-for-yamaha-many-phazer-venture-480-500-73mm","title":"SPI .040 Over Bore Piston Kit for Yamaha many Phazer \u0026 Venture 480 \u0026 500 73mm","description":"\u003ch2\u003eSPI .040 Over Bore Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis SPI .040 over bore piston kit is a high-performance replacement piston for Yamaha Phazer and Venture 480 and 500 models, featuring a 73mm bore size to restore engine compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis SPI .040 over bore piston kit is designed for Yamaha snowmobile and utility engines, providing a precise 73mm bore diameter for rebuilding worn cylinders. The kit includes everything needed for a direct installation, making it a cost-effective solution for restoring performance in Phazer and Venture models. Durable construction ensures long-lasting service in demanding conditions.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.040 over bore size for increased displacement and compression\u003c\/li\u003e\n\u003cli\u003ePrecision-machined 73mm piston for accurate fit\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy for heat resistance\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and circlips for a complete rebuild\u003c\/li\u003e\n\u003cli\u003eDesigned for reliable operation in Yamaha 480 and 500cc engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Phazer 480\u003c\/li\u003e\n\u003cli\u003efor Yamaha Phazer 500\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\u003eReplaces worn pistons in snowmobile engines for winter riding\u003c\/li\u003e\n\u003cli\u003eRestores engine power and reliability during rebuilds\u003c\/li\u003e\n\u003cli\u003eUsed in utility vehicles and recreational riding applications\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 Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e73mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 inch\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 What is the compression ratio of this piston kit? \u003cstrong\u003eA:\u003c\/strong\u003e The compression ratio depends on cylinder head design; this SPI piston matches OEM specifications for your Yamaha engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to machine the cylinder for this overbore piston? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder must be bored to 73mm to accommodate this .040 over piston; professional machining is recommended.\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":44890480902230,"sku":"SZ1F11606","price":131.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_4e589ca7-c242-486d-a289-360f5dd6b99c.jpg?v=1781140283","url":"https:\/\/www.solidspare.com\/products\/spi-040-over-bore-piston-kit-for-yamaha-many-phazer-venture-480-500-73mm","provider":"Solid Spare","version":"1.0","type":"link"}