{"product_id":"namura-standard-bore-top-end-repair-kit-size-b-for-yamaha-yz250fx-2015-2019-77mm","title":"Namura Standard Bore Top End Repair Kit Size B for Yamaha YZ250FX 2015-2019 77mm","description":"\u003ch2\u003eNamura Standard Bore Top End Repair Kit Size B for Yamaha YZ250FX (2015-2019)\u003c\/h2\u003e\u003cp\u003eThis Namura standard bore top end repair kit Size B (77mm) provides all necessary components to restore compression and performance in Yamaha YZ250FX engines for 2015-2019 models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis top end repair kit is specifically designed for the Yamaha YZ250FX, offering a complete solution for engine refresh. It includes a high-quality piston, rings, gaskets, and wrist pin to ensure reliable operation. Whether rebuilding after wear or upgrading, this top end repair kit delivers factory-style fit and durability.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined piston for accurate fit within the 77mm bore\u003c\/li\u003e\n\u003cli\u003eHigh-strength rings reduce blow-by and improve compression\u003c\/li\u003e\n\u003cli\u003eComplete gasket set included for a secure seal\u003c\/li\u003e\n\u003cli\u003eSize B specification ensures correct tolerance for standard bore\u003c\/li\u003e\n\u003cli\u003eDesigned to meet OEM performance standards for Yamaha YZ250FX\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ250FX (2015-2019)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring top end power for cross-country racing\u003c\/li\u003e\n\u003cli\u003eReplacing worn components during trail riding maintenance\u003c\/li\u003e\n\u003cli\u003eOverhauling engines for enduro competitions\u003c\/li\u003e\n\u003cli\u003eRebuilding after piston seizure or ring failure\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\u003e77mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore (Size B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop End Repair Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ250FX (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 Does this kit include a cylinder gasket? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the top end repair kit includes all necessary gaskets for a complete rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this kit compatible with Yamaha WR250F? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed specifically for the YZ250FX; confirm compatibility with other models before ordering.\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":44949894168662,"sku":"SZ1F15986","price":351.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_53e8a0d4-5f03-41db-8e06-1d2ec3521b86.jpg?v=1781401013","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-repair-kit-size-b-for-yamaha-yz250fx-2015-2019-77mm","provider":"Solid Spare","version":"1.0","type":"link"}