{"product_id":"dirt-tricks-f1b-14-14-tooth-front-countershaft-sprocket-for-yamaha-520-chain","title":"Dirt Tricks F1B-14 14-Tooth Front Countershaft Sprocket for Yamaha 520 Chain","description":"\u003cp\u003eThe Dirt Tricks F1B-14 Front Countershaft Sprocket is a 14-tooth, 520-chain sprocket engineered for demanding off-road and motocross use. Designed by Dirt Tricks president and engineer Greg Burns, this sprocket reflects extensive expertise in aerospace steels, heat treatment, and finite element analysis. Its tool steel construction provides the strength and durability needed for extended riding seasons while maintaining a lightweight design comparable to aluminum sprockets.\u003c\/p\u003e\u003cp\u003eFeature: The Dirt Tricks minimalist sprocket design is engineered to deliver long service life, with strength rated at 2.5 times that of stainless steel. The Diamond Black and Chromatic design approach reduces weight while providing a distinctive finish, and Dirt Tricks Zirconium coating technology helps reduce friction by up to 50 percent while improving durability. The sprocket is backed by a one-year guarantee; if normal use wears it out, Dirt Tricks will replace it.\u003c\/p\u003e\u003cp\u003eFeature: This 14-tooth front countershaft sprocket is designed for Yamaha motorcycles using a 520 chain. Fitment includes the 2015–2017 Yamaha YZ250FX and the 2005–2011 Yamaha YZ125. Confirm the motorcycle model year, chain size, and preferred gearing before installation. Manufacturer part number: F1B-14. Vendor part number: 254-16114.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e14-tooth front countershaft sprocket for 520 chain applications\u003c\/li\u003e\n\u003cli\u003eDirt Tricks tool steel construction engineered for demanding off-road use\u003c\/li\u003e\n\u003cli\u003eDesigned using aerospace steel expertise, heat treatment, and FEA stress analysis\u003c\/li\u003e\n\u003cli\u003eMinimalist design provides high strength with a lightweight feel comparable to aluminum\u003c\/li\u003e\n\u003cli\u003eUp to 2.5 times stronger than stainless steel\u003c\/li\u003e\n\u003cli\u003eZirconium coating helps reduce friction by up to 50 percent and improves durability\u003c\/li\u003e\n\u003cli\u003eOne-year Dirt Tricks wear guarantee\u003c\/li\u003e\n\u003cli\u003eFits 2015–2017 Yamaha YZ250FX and 2005–2011 Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003eBrand: Dirt Tricks\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: F1B-14\u003c\/li\u003e\n\u003cli\u003eVendor part number: 254-16114\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2001 Yamaha WR250F\u003cbr\u003e\n2001 Yamaha YZ250F\u003cbr\u003e\n2002 Yamaha WR250F\u003cbr\u003e\n2002 Yamaha YZ250F\u003cbr\u003e\n2003 Yamaha WR250F\u003cbr\u003e\n2003 Yamaha YZ250F\u003cbr\u003e\n2004 Yamaha WR250F\u003cbr\u003e\n2004 Yamaha YZ250F\u003cbr\u003e\n2005 Yamaha WR250F\u003cbr\u003e\n2005 Yamaha YZ125\u003cbr\u003e\n2005 Yamaha YZ250F\u003cbr\u003e\n2006 Yamaha WR250F\u003cbr\u003e\n2006 Yamaha YZ125\u003cbr\u003e\n2006 Yamaha YZ250F\u003cbr\u003e\n2007 Yamaha WR250F\u003cbr\u003e\n2007 Yamaha YZ125\u003cbr\u003e\n2007 Yamaha YZ250F\u003cbr\u003e\n2008 Yamaha WR250F\u003cbr\u003e\n2008 Yamaha YZ125\u003cbr\u003e\n2008 Yamaha YZ250F\u003cbr\u003e\n2009 Yamaha WR250F\u003cbr\u003e\n2009 Yamaha YZ125\u003cbr\u003e\n2009 Yamaha YZ250F\u003cbr\u003e\n2010 Yamaha WR250F\u003cbr\u003e\n2010 Yamaha YZ125\u003cbr\u003e\n2010 Yamaha YZ250F\u003cbr\u003e\n2011 Yamaha WR250F\u003cbr\u003e\n2011 Yamaha YZ125\u003cbr\u003e\n2011 Yamaha YZ250F\u003cbr\u003e\n2012 Yamaha WR250F\u003cbr\u003e\n2012 Yamaha YZ125\u003cbr\u003e\n2012 Yamaha YZ250F\u003cbr\u003e\n2013 Yamaha WR250F\u003cbr\u003e\n2013 Yamaha YZ125\u003cbr\u003e\n2013 Yamaha YZ250F\u003cbr\u003e\n2014 Yamaha WR250F\u003cbr\u003e\n2014 Yamaha YZ125\u003cbr\u003e\n2014 Yamaha YZ250F\u003cbr\u003e\n2015 Yamaha WR250F\u003cbr\u003e\n2015 Yamaha YZ125\u003cbr\u003e\n2015 Yamaha YZ250F\u003cbr\u003e\n2015 Yamaha YZ250FX\u003cbr\u003e\n2016 Yamaha WR250F\u003cbr\u003e\n2016 Yamaha YZ125\u003cbr\u003e\n2016 Yamaha YZ250F\u003cbr\u003e\n2016 Yamaha YZ250FX\u003cbr\u003e\n2017 Yamaha WR250F\u003cbr\u003e\n2017 Yamaha YZ125\u003cbr\u003e\n2017 Yamaha YZ250F\u003cbr\u003e\n2017 Yamaha YZ250FX\u003cbr\u003e\n2018 Yamaha WR250F\u003cbr\u003e\n2018 Yamaha YZ125\u003cbr\u003e\n2018 Yamaha YZ250F\u003cbr\u003e\n2018 Yamaha YZ250FX\u003cbr\u003e\n2019 Yamaha WR250F\u003cbr\u003e\n2019 Yamaha YZ125\u003cbr\u003e\n2019 Yamaha YZ250F\u003cbr\u003e\n2019 Yamaha YZ250FX\u003cbr\u003e\n2020 Yamaha WR250F\u003cbr\u003e\n2020 Yamaha YZ125\u003cbr\u003e\n2020 Yamaha YZ125X\u003cbr\u003e\n2020 Yamaha YZ250F\u003cbr\u003e\n2020 Yamaha YZ250FX\u003cbr\u003e\n2021 Yamaha WR250F\u003cbr\u003e\n2021 Yamaha YZ125\u003cbr\u003e\n2021 Yamaha YZ125X\u003cbr\u003e\n2021 Yamaha YZ250F\u003cbr\u003e\n2021 Yamaha YZ250FX\u003cbr\u003e\n2022 Yamaha WR250F\u003cbr\u003e\n2022 Yamaha YZ125\u003cbr\u003e\n2022 Yamaha YZ125X\u003cbr\u003e\n2022 Yamaha YZ250F\u003cbr\u003e\n2022 Yamaha YZ250FX\u003cbr\u003e\n2023 Yamaha WR250F\u003cbr\u003e\n2023 Yamaha YZ125\u003cbr\u003e\n2023 Yamaha YZ125X\u003cbr\u003e\n2023 Yamaha YZ250F\u003cbr\u003e\n2023 Yamaha YZ250FX\u003cbr\u003e\n2024 Yamaha WR250F\u003cbr\u003e\n2024 Yamaha YZ125\u003cbr\u003e\n2024 Yamaha YZ125X\u003cbr\u003e\n2024 Yamaha YZ250F\u003cbr\u003e\n2024 Yamaha YZ250FX\u003cbr\u003e\n2025 Yamaha WR250F\u003cbr\u003e\n2025 Yamaha YZ125\u003cbr\u003e\n2025 Yamaha YZ125X\u003cbr\u003e\n2025 Yamaha YZ250F\u003cbr\u003e\n2025 Yamaha YZ250FX\u003cbr\u003e\n2026 Yamaha WR250F\u003cbr\u003e\n2026 Yamaha YZ125\u003cbr\u003e\n2026 Yamaha YZ125X\u003cbr\u003e\n2026 Yamaha YZ250F\u003cbr\u003e\n2026 Yamaha YZ250FX","brand":"DIRT TRICKS","offers":[{"title":"Default Title","offer_id":67551232950507,"sku":"254-16114","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/05c0-6165d321179c0_2bc6f4f8-d816-46d5-8ba6-600a6a6e51c5.png?v=1790716536","url":"https:\/\/ctracingservices.com\/products\/dirt-tricks-f1b-14-14-tooth-front-countershaft-sprocket-for-yamaha-520-chain","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}