{"product_id":"4764m08700-wiseco-std-piston-kit-for-yamaha-tt500-xt500-1976-1981-87mm-9-1-cr","title":"4764M08700 Wiseco Std Piston Kit for Yamaha TT500 XT500 1976-1981 87mm 9:1 CR","description":"\u003ch2\u003eWiseco Std Piston Kit for Yamaha TT500 \u0026amp; XT500\u003c\/h2\u003e\u003cp\u003eThis standard bore piston kit for Yamaha TT500 and XT500 models restores top end compression with an 87mm forged piston rated at 9:1 compression, cross-referenced to Wiseco part 4764M08700.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco Std Piston Kit for Yamaha TT500 \u0026amp; XT500 delivers a direct-fit top end rebuild solution for thumper singles from 1976 through 1981. The forged 87mm piston with 9:1 compression ratio restores factory power characteristics for riders servicing a worn or seized top end. It suits mechanics and vintage off-road enthusiasts keeping these classic Yamaha singles running strong.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged aluminum construction for strength under high cylinder pressures\u003c\/li\u003e\n\u003cli\u003e87mm standard bore size matches factory cylinder dimensions\u003c\/li\u003e\n\u003cli\u003e9:1 compression ratio consistent with original engine tuning\u003c\/li\u003e\n\u003cli\u003eWiseco part number 4764M08700 for easy cross-reference\u003c\/li\u003e\n\u003cli\u003eDesigned for Yamaha TT500 and XT500 four-stroke singles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha TT500, 1976-1981\u003c\/li\u003e\n\u003cli\u003efor Yamaha XT500, 1976-1981\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds on vintage Yamaha singles\u003c\/li\u003e\n\u003cli\u003eRestoring compression on high-mileage engines\u003c\/li\u003e\n\u003cli\u003eDirt track and trail riding maintenance\u003c\/li\u003e\n\u003cli\u003eVintage motorcycle restoration projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4764M08700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e87mm standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged\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 TT500, XT500 1976-1981\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 require cylinder boring? \u003cstrong\u003eA:\u003c\/strong\u003e This is a standard bore piston, so it fits a cylinder already at factory 87mm spec without overboring. Measure your cylinder for wear before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are rings and pin included? \u003cstrong\u003eA:\u003c\/strong\u003e Wiseco piston kits of this type typically include the piston, rings, wrist pin, and circlips. Confirm the contents with the listing details before purchase.\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":51139941138518,"sku":"OO1C22332","price":523.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_b82ddebb-657b-4ce7-9dc8-9f63d55c9c0c.jpg?v=1794565748","url":"https:\/\/www.solidspare.com\/products\/4764m08700-wiseco-std-piston-kit-for-yamaha-tt500-xt500-1976-1981-87mm-9-1-cr","provider":"Solid Spare","version":"1.0","type":"link"}