{"product_id":"4045m08700-wiseco-std-piston-kit-for-yamaha-tt500-xt500-1976-1981-87mm-10-1","title":"4045M08700 Wiseco Std Piston Kit for Yamaha TT500 XT500 1976-1981 87mm 10:1","description":"\u003ch2\u003eWiseco Std Piston Kit for Yamaha TT500 \u0026amp; XT500\u003c\/h2\u003e\u003cp\u003eThis Wiseco Std piston kit (87 mm, 10:1 compression, part 4045M08700) is a standard-bore replacement piston assembly built to restore compression and performance in Yamaha TT500 and XT500 engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco Std piston kit for Yamaha TT500 and XT500 models is an 87 mm standard-bore piston with a 10:1 compression ratio, referenced under part number 4045M08700. The piston kit for Yamaha TT500 and XT500 engines suits riders and rebuilders who want a stock-bore refresh without machining the cylinder oversize. Using the 87 mm Wiseco piston kit for Yamaha TT500 and XT500 rebuilds provides a forged component aimed at these classic single-cylinder engines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e87 mm standard bore size, no overbore required\u003c\/li\u003e\n\u003cli\u003e10:1 compression ratio for factory-style power delivery\u003c\/li\u003e\n\u003cli\u003eWiseco forged piston construction for strength and heat resistance\u003c\/li\u003e\n\u003cli\u003ePart number 4045M08700 for easy identification\u003c\/li\u003e\n\u003cli\u003ePiston kit design for Yamaha TT500 and XT500 top-end service\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\u003eStandard-bore top-end rebuilds keeping the original cylinder size\u003c\/li\u003e\n\u003cli\u003eRefreshing compression on high-hour Yamaha thumpers\u003c\/li\u003e\n\u003cli\u003eTrail, dirt, and vintage off-road riding\u003c\/li\u003e\n\u003cli\u003eRoutine engine service on TT500 and XT500 machines\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\u003e4045M08700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e87 mm (standard bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiseco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha TT500 \u0026amp; 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 Is any cylinder boring needed for this kit? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a standard 87 mm bore piston, so it is intended for a cylinder already at the stock bore in good condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this piston without checking clearances? \u003cstrong\u003eA:\u003c\/strong\u003e Always measure piston-to-cylinder clearance and ring end gap before assembly, since wear can affect the correct fit.\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":51139931897942,"sku":"OO1C22321","price":523.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_9f1c4592-ddcc-49aa-9e7b-43f90757c73c.jpg?v=1794565740","url":"https:\/\/www.solidspare.com\/products\/4045m08700-wiseco-std-piston-kit-for-yamaha-tt500-xt500-1976-1981-87mm-10-1","provider":"Solid Spare","version":"1.0","type":"link"}