{"product_id":"spi-standard-bore-piston-kit-for-yamaha-exciter-570-ii-ex570-1987-1993-73mm","title":"SPI Standard Bore Piston Kit for Yamaha Exciter 570 \/ II EX570 1987-1993 73mm","description":"\u003ch2\u003eSPI Standard Bore Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis SPI standard bore piston kit with a 73mm bore fits Yamaha Exciter 570 and Exciter II EX570 snowmobiles from 1987 to 1993, restoring compression and performance in two-stroke engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis piston kit is a direct replacement for the original pistons in Yamaha Exciter models, providing reliable sealing and power. The 73mm standard bore size matches factory specs for a straightforward rebuild.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard bore 73mm diameter\u003c\/li\u003e\n\u003cli\u003eIncludes piston, rings, and wrist pin\u003c\/li\u003e\n\u003cli\u003ePrecision-machined skirt for reduced friction\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction\u003c\/li\u003e\n\u003cli\u003eCompatible with stock cylinder bore\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Exciter 570 (1987-1993)\u003c\/li\u003e\n\u003cli\u003efor Yamaha Exciter II EX570 (1987-1993)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSnowmobile engine rebuilds\u003c\/li\u003e\n\u003cli\u003eTrail riding and recreational snowmobiling\u003c\/li\u003e\n\u003cli\u003eEngine performance restoration\u003c\/li\u003e\n\u003cli\u003eWinter maintenance and repair shops\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e73mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Piston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Exciter 570\/II (1987-1993)\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 Do I need to hone the cylinder before installing this piston kit? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, honing is recommended to ensure proper ring seating and break-in.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this kit be used with a stock exhaust? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is intended for standard bore applications and works with factory exhaust systems.\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":44890434601046,"sku":"SZ1F11054","price":120.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_a9b341c3-4765-4e6e-84bf-6ee89636743d.jpg?v=1781139287","url":"https:\/\/www.solidspare.com\/products\/spi-standard-bore-piston-kit-for-yamaha-exciter-570-ii-ex570-1987-1993-73mm","provider":"Solid Spare","version":"1.0","type":"link"}