{"product_id":"spi-040-over-bore-top-end-kit-for-yamaha-480-phazer-venture-1991-1999-73mm","title":"SPI .040 Over Bore Top End Kit for Yamaha 480 Phazer \u0026 Venture 1991-1999 73mm","description":"\u003ch2\u003eSPI .040 Over Bore Top End Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis SPI .040 over bore top end kit rebuilds the cylinder head and piston assembly for Yamaha 480 Phazer and Venture models from 1991 to 1999 with a 73mm bore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe SPI .040 over bore top end kit is a complete replacement set for the top half of the engine, designed for Yamaha 480cc Phazer and Venture snowmobiles and ATVs. It includes a piston, rings, wrist pin, and gaskets to restore compression and power. This kit is intended for engines needing a .040 inch overbore to refresh worn cylinders.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes precision-ground piston matched to a .040 overbore spec\u003c\/li\u003e\n\u003cli\u003eDurable cast rings for long service life\u003c\/li\u003e\n\u003cli\u003eComplete gasket set for a leak-free installation\u003c\/li\u003e\n\u003cli\u003eDirect fit for 73mm bore Yamaha 480 engines\u003c\/li\u003e\n\u003cli\u003eEngineered to meet OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Phazer 480 (1991-1999)\u003c\/li\u003e\n\u003cli\u003efor Yamaha Venture 480 (1991-1999)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestores top end performance on high-mileage engines\u003c\/li\u003e\n\u003cli\u003eSuitable for recreational snowmobiling and trail riding\u003c\/li\u003e\n\u003cli\u003eCommonly used during engine rebuild projects\u003c\/li\u003e\n\u003cli\u003eIdeal for mechanics repairing Yamaha 480cc two-stroke engines\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 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e480cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1991-1999\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 Does this kit include the cylinder jug? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a top end kit containing only the piston, rings, pin, and gaskets; the cylinder must be bored to .040 over by a machine shop if not already done.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this be used on a stock bore cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, it is designed for .040 overbore cylinders only; the cylinder must be machined to match the oversized piston.\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":44949912617046,"sku":"SZ1F16226","price":395.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_bfe5b9bc-1616-45da-b4b7-f7e50c1c1ddb.jpg?v=1781401338","url":"https:\/\/www.solidspare.com\/products\/spi-040-over-bore-top-end-kit-for-yamaha-480-phazer-venture-1991-1999-73mm","provider":"Solid Spare","version":"1.0","type":"link"}