{"product_id":"namura-standard-bore-piston-kit-size-c-for-yamaha-yz250f-wr250f-2005-2013-77mm","title":"Namura Standard Bore Piston Kit Size C for Yamaha YZ250F \u0026 WR250F 2005-2013 77mm","description":"\u003ch2\u003eNamura Standard Bore Piston Kit Size C (77mm) for Yamaha YZ250F \u0026amp; WR250F 2005-2013\u003c\/h2\u003e\u003cp\u003eThis Namura Standard Bore Piston Kit Size C with a 77mm bore is a direct replacement piston assembly designed to restore compression and performance for Yamaha YZ250F and WR250F models from 2005 to 2013.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Piston Kit Size C is engineered for precise fitment in both Yamaha YZ250F motocross and WR250F enduro motorcycles. This piston kit delivers reliable top-end performance and power recovery for a wide range of off-road applications. Regular replacement with this piston kit helps maintain engine health and 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\u003eMoly-coated skirt reduces friction and scuff resistance\u003c\/li\u003e\n\u003cli\u003eComplete set includes piston, rings, wrist pin, and circlips\u003c\/li\u003e\n\u003cli\u003e77mm bore size for standard replacement\u003c\/li\u003e\n\u003cli\u003eEngineered to OEM tolerances for YZ250F and WR250F engines\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 YZ250F (2005-2013)\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR250F (2005-2013)\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 YZ250F motocross and WR250F enduro bikes\u003c\/li\u003e\n\u003cli\u003eIdeal for restoring compression in competition and trail machines\u003c\/li\u003e\n\u003cli\u003eSuitable for both MX and off-road riding applications\u003c\/li\u003e\n\u003cli\u003eUsed by mechanics for engine overhauls on 2005-2013 Yamaha 250F 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 (77mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e77mm (standard Size C)\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 YZ250F \u0026amp; WR250F 2005-2013\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 this piston kit fit my 2008 YZ250F? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this Standard Bore Piston Kit Size C is designed for Yamaha YZ250F and WR250F from 2005-2013; verify your cylinder bore condition before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include all necessary parts? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes piston, rings, wrist pin, and circlips for a complete installation; always reuse existing clips and pins if they are in good condition.\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":44949786230870,"sku":"SZ1F14882","price":241.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_2e0ab89e-0e42-4ab4-a41b-ac3966731a64.jpg?v=1781399005","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-kit-size-c-for-yamaha-yz250f-wr250f-2005-2013-77mm","provider":"Solid Spare","version":"1.0","type":"link"}