{"product_id":"605m07000-wiseco-080-piston-kit-for-yamaha-yz250-wr250-1988-1991-70-00mm","title":"605M07000 Wiseco .080 Piston Kit for Yamaha YZ250 WR250 1988-1991 70.00mm","description":"\u003ch2\u003eWiseco .080 Piston Kit for Yamaha YZ250 \u0026amp; WR250\u003c\/h2\u003e\u003cp\u003eThis Wiseco .080 oversize piston kit for Yamaha YZ250 and WR250 models gives your 1988-1991 two-stroke engine a fresh top end, with a 70.00 mm bore matching Wiseco part 605M07000.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .080 piston kit for Yamaha YZ250 and WR250 two-strokes is a 70.00 mm oversize top-end rebuild component for riders reviving an older machine. The .080 oversize piston kit restores compression and power after cylinder wear, and the piston kit suits anyone honing a worn bore back into shape. Each piston kit is referenced by Wiseco part 605M07000 so you can confirm the exact oversize step before ordering.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWiseco .080 oversize piston sized at 70.00 mm for worn two-stroke cylinders\u003c\/li\u003e\n\u003cli\u003eFits Yamaha YZ250 and WR250 two-stroke engines from 1988 through 1991\u003c\/li\u003e\n\u003cli\u003ePart number 605M07000 stamped to the piston kit for easy identification\u003c\/li\u003e\n\u003cli\u003eForged piston construction typical of Wiseco two-stroke top-end kits\u003c\/li\u003e\n\u003cli\u003eComplete kit format for a straightforward top-end rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ250 1988-1991\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250 1988-1991\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after a seized or scored piston\u003c\/li\u003e\n\u003cli\u003eBore clean-up work when the cylinder is honed to the next oversize\u003c\/li\u003e\n\u003cli\u003eMotocross and off-road engine freshening on older YZ250 machines\u003c\/li\u003e\n\u003cli\u003eTrail and enduro rebuilds on WR250 two-strokes\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\u003e70.00 mm (.080 oversize)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e605M07000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha YZ250, for Yamaha WR250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1988-1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo-stroke\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 How do I know if I need a .080 oversize piston? \u003cstrong\u003eA:\u003c\/strong\u003e The oversize step is chosen after measuring the cylinder bore and deciding how much material must be removed to clean up wear or damage. A machine shop can confirm whether the bore should finish at 70.00 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this piston kit include rings and a pin? \u003cstrong\u003eA:\u003c\/strong\u003e Wiseco top-end kits are typically supplied as a complete piston assembly, but you should verify the included components against the listing before ordering. Confirm any additional gaskets or bearings you may need 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":51140036329558,"sku":"OO1C22476","price":488.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c21defa7-b4c4-453b-98e6-602fbbea2c83.jpg?v=1794565917","url":"https:\/\/www.solidspare.com\/products\/605m07000-wiseco-080-piston-kit-for-yamaha-yz250-wr250-1988-1991-70-00mm","provider":"Solid Spare","version":"1.0","type":"link"}