{"product_id":"all-balls-47-2037-yamaha-yz250f-yz450f-yfz450r-yfz450x-fuel-pump-rebuild-kit-restore-fuel-pressure","title":"All Balls 47-2037 Yamaha YZ250F YZ450F YFZ450R YFZ450X Fuel Pump Rebuild Kit — Restore Fuel Pressure","description":"\u003ch3\u003eAll Balls — Restoring Lost Fuel Pressure, Stop Struggling with Engine Flame-Outs\u003c\/h3\u003e\n\n\u003cp\u003eIs your Yamaha YZ250F or Yamaha YFZ450R bogging under load, or are you experiencing frustrating flame-outs in tight corners? Over time, fuel filters clog and pump motors lose the ability to maintain the high pressure required for modern fuel injection. Instead of spending hundreds on a complete housing, this All Balls Fuel Pump Rebuild Kit provides a precision-engineered solution to restore the consistent fuel delivery your engine demands for peak performance.\u003c\/p\u003e\n\n\u003cp\u003eThis Factory Quality kit is designed for a seamless plug-and-play installation, including the pump, filter, and all necessary hoses and clamps required for your specific Yamaha model. Whether you are racing a motocross moto on a Yamaha YZ450F or navigating technical trails on a Yamaha YFZ450X, this rebuild kit ensures your EFI system receives a steady, debris-free flow of fuel to prevent lean conditions and overheating.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Restore Solution:\u003c\/strong\u003e Includes pump, filter, wiring harness, and clamps to fully refresh the fuel module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEconomical Performance:\u003c\/strong\u003e Restores Factory Quality fuel pressure without the high cost of an entire assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Fit Engineering:\u003c\/strong\u003e Designed specifically for Yamaha EFI tanks for a \"no-hassle\" drop-in installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEliminate Engine Hesitation:\u003c\/strong\u003e Clears up low-end bogs and high-RPM leaning caused by a failing pump motor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Filtration:\u003c\/strong\u003e Features a fresh internal filter to protect your fuel injector from tank debris.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMoto-House MX Pro Tip:\u003c\/h3\u003e\n\u003cp\u003eWhen rebuilding the fuel pump module on your Yamaha YZ450F or Yamaha YFZ450R, ensure the tank is completely free of sediment before re-installing the unit. Even a tiny amount of grit can prematurely clog your new filter or damage the pump internals. Also, apply a light coat of fuel-safe grease to the main tank O-ring to ensure a perfect seal and prevent leaks.\u003c\/p\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eYear Range\u003c\/th\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eMake\u003c\/th\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eModel\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2014 - 2024\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYZ250F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2010 - 2022\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYZ450F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2009 - 2025\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYFZ450R\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2010 - 2011\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYFZ450X\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2015 - 2019\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYZ250FX \/ WR250F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2016 - 2018\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYZ450FX\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2012 - 2019\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eWR450F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2008 - 2020\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eWR250R \/ WR250X\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch3\u003eDoes this kit replace the entire fuel pump housing?\u003c\/h3\u003e\n\u003cp\u003eNo, this kit is designed to rebuild your existing module. It includes the Factory Quality internal pump motor and filter components, allowing you to reuse the plastic housing which rarely fails, saving you significant money.\u003c\/p\u003e\n\n\u003ch3\u003eWill this help my Yamaha YFZ450R start easier?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. If your Yamaha YFZ450R is difficult to start, it is often due to low fuel pressure. This kit restores the pump's ability to prime the system quickly for faster starts.\u003c\/p\u003e\n\n\u003ch3\u003eHow often should I rebuild my fuel pump?\u003c\/h3\u003e\n\u003cp\u003eFor high-performance motocross or racing use on machines like the Yamaha YZ250F or Yamaha YFZ450R, we recommend inspecting the filter every 50 hours. If you notice any loss in top-end power or throttle response, a full rebuild is advised.\u003c\/p\u003e\n\n\u003cdiv style=\"margin-top: 20px;\"\u003e\n  \u003cp\u003e\u003cstrong\u003eExplore More Yamaha Fuel \u0026amp; Engine Parts:\u003c\/strong\u003e\u003c\/p\u003e\n  \u003ca href=\"\/search?q=Yamaha+YFZ450R+Fuel+System\"\u003eYamaha YFZ450R Fuel System Components\u003c\/a\u003e | \n  \u003ca href=\"\/search?q=Yamaha+YZ250F+EFI\"\u003eYamaha YZ250F EFI Components\u003c\/a\u003e | \n  \u003ca href=\"\/search?q=All+Balls+Racing+Kits\"\u003eAll Balls Racing Kits\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cb\u003eMoto-House MX – Choice of Champions\u003c\/b\u003e – is located in Clermont\/Montverde, FL. We are the best motocross shop in Central Florida with lightning-fast shipping.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"All Balls 47-2037 Yamaha YZ250F YZ450F YFZ450R YFZ450X Fuel Pump Rebuild Kit\",\n  \"image\": [],\n  \"description\": \"Restore Factory Quality fuel pressure to your Yamaha YZ250F, YZ450F, or YFZ450R. This All Balls rebuild kit eliminates engine bogs and flame-outs by replacing worn pump motors and clogged filters.\",\n  \"sku\": \"47-2037\",\n  \"mpn\": \"47-2037\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"All Balls Racing\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/moto-housemx.com\/products\/all-balls-47-2037\",\n    \"priceCurrency\": \"USD\",\n    \"availability\": \"https:\/\/schema.org\/InStock\"\n  }\n}\n\u003c\/script\u003e","brand":"All Balls","offers":[{"title":"Default Title","offer_id":41052183461971,"sku":"47-2037","price":93.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/all-balls-fuel-pump-rebuild-kit-47-2037-yamaha-2008-2020-wr250f-2012-2019-wr450f-168460.jpg?v=1735340523","url":"https:\/\/motohousemx.com\/products\/all-balls-47-2037-yamaha-yz250f-yz450f-yfz450r-yfz450x-fuel-pump-rebuild-kit-restore-fuel-pressure","provider":"Moto-House MX","version":"1.0","type":"link"}