{"product_id":"namura-standard-bore-piston-kit-size-c-76-98mm-for-yamaha-wr250f-2015-2019-77mm","title":"Namura Standard Bore Piston Kit Size C 76.98mm for Yamaha WR250F 2015-2019 77mm","description":"\u003ch2\u003eNamura Standard Bore Piston Kit Size C 76.98mm (77mm) for Yamaha WR250F 2015-2019\u003c\/h2\u003e\u003cp\u003eThis Namura Standard Bore Piston Kit Size C with a 76.98mm bore (77mm oversize) is a direct-fit replacement piston assembly designed to restore compression and performance for Yamaha WR250F models from 2015 to 2019.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Piston Kit Size C is engineered to precisely match the original cylinder bore dimensions for Yamaha WR250F motorcycles. This piston kit delivers reliable sealing and power recovery for off-road riding. Whether rebuilding a worn top end or refreshing a competition machine, this piston kit ensures consistent performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined from high-silicone aluminum alloy for durability\u003c\/li\u003e\n\u003cli\u003eFeatures a moly-coated skirt for reduced friction and scuff resistance\u003c\/li\u003e\n\u003cli\u003eIncludes rings, wrist pin, and circlips for a complete top-end rebuild\u003c\/li\u003e\n\u003cli\u003eBore size of 76.98mm (standard Size C) ensures correct clearance\u003c\/li\u003e\n\u003cli\u003eEngineered to OEM specifications for exact fitment\u003c\/li\u003e\n\u003cli\u003eHeat-treated for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha WR250F 2015\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2016\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2017\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2018\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F 2019\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCommonly used for top-end rebuilds on enduro and trail riding bikes\u003c\/li\u003e\n\u003cli\u003eIdeal for motocross racing when restoring worn pistons\u003c\/li\u003e\n\u003cli\u003eSuitable for off-road competition where consistent compression is critical\u003c\/li\u003e\n\u003cli\u003eUsed by mechanics for routine engine overhauls on WR250F 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\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSize C (76.98mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e76.98mm (standard Size C, 77mm oversize)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-silicone aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin, circlips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha WR250F 2015-2019\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 this piston kit compatible with my 2016 WR250F? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this Standard Bore Piston Kit Size C is designed for Yamaha WR250F models from 2015-2019; always confirm your engine bore condition before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the difference between Size C and other sizes? \u003cstrong\u003eA:\u003c\/strong\u003e Size C indicates a specific piston diameter within the standard bore range; your cylinder should be measured to verify the correct size for your engine.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44949786198102,"sku":"SZ1F14881","price":241.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_dc556ec5-4664-4df2-af66-890cd09efb49.jpg?v=1781399004","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-kit-size-c-76-98mm-for-yamaha-wr250f-2015-2019-77mm","provider":"Solid Spare","version":"1.0","type":"link"}