{"product_id":"spi-020-over-bore-piston-kit-for-yamaha-excel-iii-340-fits-1981-1988-60-5mm","title":"SPI .020 Over Bore Piston Kit for Yamaha Excel III 340 fits 1981-1988 60.5mm","description":"\u003ch2\u003eSPI .020 Over Bore Piston Kit for Yamaha Excel III 340\u003c\/h2\u003e\u003cp\u003eThis SPI .020 over bore piston kit is designed to restore compression and performance in Yamaha Excel III 340 engines from 1981 to 1988 with a 60.5mm bore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe SPI .020 over bore piston kit provides a direct replacement for worn pistons in Yamaha Excel III 340 snowmobile engines. This 60.5mm piston kit increases displacement slightly while maintaining reliable operation. Ideal for rebuilding engines from 1981 to 1988 models.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.020-inch overbore increases displacement for added power.\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction for durability.\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ensure proper ring sealing.\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings and wrist pin for complete installation.\u003c\/li\u003e\n\u003cli\u003eDesigned to match OEM specifications for reliable fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Excel III 340 (1981-1988)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring engine compression in snowmobiles.\u003c\/li\u003e\n\u003cli\u003eRebuilding high-mileage Yamaha Excel III 340 engines.\u003c\/li\u003e\n\u003cli\u003ePerforming top-end overhaul for improved performance.\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\u003e60.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.020 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Excel III 340\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1981-1988\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 Will this piston kit work with my stock cylinder?\u003cstrong\u003eA:\u003c\/strong\u003e This 0.020 overbore piston requires the cylinder to be bored to match. A professional machine shop should perform the bore and hone for proper clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are the piston rings included?\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes rings and a wrist pin, though wrist pin circlips may need to be reused or purchased separately.\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":44890468778070,"sku":"SZ1F11385","price":127.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_8a7fcecf-60cc-4f0e-8d7d-0a7cdb8fd686.jpg?v=1781140007","url":"https:\/\/www.solidspare.com\/products\/spi-020-over-bore-piston-kit-for-yamaha-excel-iii-340-fits-1981-1988-60-5mm","provider":"Solid Spare","version":"1.0","type":"link"}