{"product_id":"2-spi-020-over-bore-piston-kits-for-yamaha-excel-iii-340-fits-1981-1988-60-5mm","title":"2 SPI .020 Over Bore Piston Kits for Yamaha Excel III 340 fits 1981-1988 60.5mm","description":"\u003ch2\u003ePiston Kits for Yamaha\u003c\/h2\u003e\u003cp\u003eThese two SPI .020 over bore piston kits for Yamaha Excel III 340 models from 1981 to 1988 use a 60.5mm bore to restore engine compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese SPI .020 over bore piston kits for Yamaha Excel III 340 snowmobiles built between 1981 and 1988 include a pair of pistons, rings, pins, and circlips at a 60.5mm bore. They are designed for engine rebuilds that require an oversize piston after cylinder honing or boring. Each kit provides the necessary components to refresh both cylinders on a twin-cylinder engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.020-inch oversize (0.50mm) provides proper clearance for reconditioned cylinders\u003c\/li\u003e\n\u003cli\u003eIncludes two complete piston assemblies for a full twin-cylinder rebuild\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy pistons with balanced weight\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves for reliable ring seal\u003c\/li\u003e\n\u003cli\u003eIncludes wrist pins and circlips for secure installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Excel III 340 1981\u003c\/li\u003e\n\u003cli\u003efor Yamaha Excel III 340 1982\u003c\/li\u003e\n\u003cli\u003efor Yamaha Excel III 340 1983\u003c\/li\u003e\n\u003cli\u003efor Yamaha Excel III 340 1984\u003c\/li\u003e\n\u003cli\u003efor Yamaha Excel III 340 1985\u003c\/li\u003e\n\u003cli\u003efor Yamaha Excel III 340 1986\u003c\/li\u003e\n\u003cli\u003efor Yamaha Excel III 340 1987\u003c\/li\u003e\n\u003cli\u003efor Yamaha Excel III 340 1988\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSnowmobile engine top-end rebuilds\u003c\/li\u003e\n\u003cli\u003eTrail riding and recreational sled maintenance\u003c\/li\u003e\n\u003cli\u003eRestoration of vintage Yamaha Excel III models\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\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Piston Kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Excel III 340 1981–1988\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 these piston kits work with a stock cylinder bore? \u003cstrong\u003eA:\u003c\/strong\u003e No, these are .020 over bore pistons and require the cylinder to be bored to the matching 60.5mm size for proper fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are wrist pin bearings included in each kit? \u003cstrong\u003eA:\u003c\/strong\u003e Each kit includes the wrist pin and circlips, but does not include caged needle bearings if your engine uses them 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":44949786656854,"sku":"SZ1F14894","price":241.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_d5ccb12f-df62-4b8b-adaf-21f2a6ced666.jpg?v=1781399021","url":"https:\/\/www.solidspare.com\/products\/2-spi-020-over-bore-piston-kits-for-yamaha-excel-iii-340-fits-1981-1988-60-5mm","provider":"Solid Spare","version":"1.0","type":"link"}