The Dirt Tricks YK2-13 front countershaft sprocket is a 13-tooth, 520-chain replacement designed for demanding off-road riding. Manufactured by Dirt Tricks, this tool-steel sprocket uses engineering principles developed from aerospace materials, advanced heat treatments, and finite element analysis. Its durable construction is built to provide dependable performance and extended service life in challenging riding conditions.
Featuring Dirt Tricks’ minimalist design, the YK2-13 sprocket delivers high strength without unnecessary weight. Dirt Tricks sprockets are engineered to be significantly stronger than stainless steel and are designed to withstand the loads associated with hard acceleration, technical terrain, and repeated use. The sprocket is also backed by Dirt Tricks’ one-year wear guarantee, providing added confidence during installation and use.
This front countershaft sprocket fits select Yamaha and Kawasaki motorcycles, including the 2016–2017 Yamaha YZ250X, 2016–2017 Yamaha YZ450FX, and 2006–2011 Kawasaki KX450F. Confirm the motorcycle model, year, chain size, and original gearing before installation to ensure proper fitment. The Dirt Tricks YK2-13 is a practical choice for riders seeking a strong, lightweight replacement sprocket for off-road applications.
Features:
- Brand: Dirt Tricks
- Manufacturer part number: YK2-13
- Vendor part number: YK2-13
- Sprocket type: Front countershaft sprocket
- Tooth count: 13 teeth
- Chain size: 520
- Material: Durable tool steel
- Design: Minimalist construction engineered for strength and reduced weight
- Durability: Designed for extended service life during demanding off-road riding
- Warranty: Backed by Dirt Tricks’ one-year wear guarantee
- Fitment: 2016–2017 Yamaha YZ250X
- Fitment: 2016–2017 Yamaha YZ450FX
- Fitment: 2006–2011 Kawasaki KX450F
Fitment:
1999 Kawasaki KX250
1999 Yamaha YZ250
1999 Yamaha YZ400F
2000 Kawasaki KX250
2000 Yamaha YZ250
2000 Yamaha YZ426F
2001 Kawasaki KX250
2001 Yamaha WR250F
2001 Yamaha WR426F
2001 Yamaha YZ250
2001 Yamaha YZ250F
2001 Yamaha YZ426F
2002 Kawasaki KX250
2002 Yamaha WR250F
2002 Yamaha WR426F
2002 Yamaha YZ250
2002 Yamaha YZ250F
2002 Yamaha YZ400F
2002 Yamaha YZ426F
2003 Kawasaki KX250
2003 Yamaha WR250F
2003 Yamaha WR450F
2003 Yamaha YZ250
2003 Yamaha YZ250F
2003 Yamaha YZ450F
2004 Kawasaki KX250
2004 Yamaha WR250F
2004 Yamaha WR450F
2004 Yamaha YZ250
2004 Yamaha YZ250F
2004 Yamaha YZ450F
2005 Kawasaki KX250
2005 Yamaha WR250F
2005 Yamaha WR450F
2005 Yamaha YZ250
2005 Yamaha YZ250F
2005 Yamaha YZ450F
2006 Kawasaki KX250
2006 Kawasaki KX450F
2006 Yamaha WR250F
2006 Yamaha WR450F
2006 Yamaha YZ250
2006 Yamaha YZ250F
2006 Yamaha YZ450F
2007 Kawasaki KX250
2007 Kawasaki KX450F
2007 Yamaha WR250F
2007 Yamaha WR450F
2007 Yamaha YZ250
2007 Yamaha YZ250F
2007 Yamaha YZ450F
2008 Kawasaki KLX450R
2008 Kawasaki KX250
2008 Kawasaki KX450F
2008 Yamaha WR250F
2008 Yamaha WR450F
2008 Yamaha YZ250
2008 Yamaha YZ250F
2008 Yamaha YZ450F
2009 Kawasaki KLX450R
2009 Kawasaki KX450F
2009 Yamaha WR250F
2009 Yamaha WR450F
2009 Yamaha YZ250
2009 Yamaha YZ250F
2009 Yamaha YZ450F
2010 Kawasaki KLX450R
2010 Kawasaki KX450F
2010 Yamaha WR250F
2010 Yamaha WR450F
2010 Yamaha YZ250
2010 Yamaha YZ250F
2010 Yamaha YZ450F
2011 Kawasaki KLX450R
2011 Kawasaki KX450F
2011 Yamaha WR250F
2011 Yamaha WR450F
2011 Yamaha YZ250
2011 Yamaha YZ250F
2011 Yamaha YZ450F
2012 Kawasaki KLX450R
2012 Kawasaki KX450F
2012 Yamaha WR250F
2012 Yamaha WR450F
2012 Yamaha YZ250
2012 Yamaha YZ250F
2012 Yamaha YZ450F
2013 Kawasaki KLX450R
2013 Kawasaki KX450F
2013 Yamaha WR250F
2013 Yamaha WR450F
2013 Yamaha YZ250
2013 Yamaha YZ250F
2013 Yamaha YZ450F
2014 Kawasaki KLX450R
2014 Kawasaki KX450F
2014 Yamaha WR250F
2014 Yamaha WR450F
2014 Yamaha YZ250
2014 Yamaha YZ250F
2014 Yamaha YZ450F
2015 Kawasaki KLX450R
2015 Kawasaki KX450F
2015 Yamaha WR250F
2015 Yamaha WR450F
2015 Yamaha YZ250
2015 Yamaha YZ250F
2015 Yamaha YZ250FX
2015 Yamaha YZ450F
2016 Kawasaki KLX450R
2016 Kawasaki KX450F
2016 Yamaha WR250F
2016 Yamaha WR450F
2016 Yamaha YZ250
2016 Yamaha YZ250F
2016 Yamaha YZ250FX
2016 Yamaha YZ250X
2016 Yamaha YZ450F
2016 Yamaha YZ450FX
2017 Kawasaki KLX450R
2017 Kawasaki KX450F
2017 Yamaha WR250F
2017 Yamaha WR450F
2017 Yamaha YZ250
2017 Yamaha YZ250F
2017 Yamaha YZ250FX
2017 Yamaha YZ250X
2017 Yamaha YZ450F
2017 Yamaha YZ450FX
2018 Kawasaki KLX450R
2018 Kawasaki KX450F
2018 Yamaha WR250F
2018 Yamaha WR450F
2018 Yamaha YZ250
2018 Yamaha YZ250F
2018 Yamaha YZ250FX
2018 Yamaha YZ250X
2018 Yamaha YZ450F
2018 Yamaha YZ450FX
2019 Kawasaki KLX450R
2019 Kawasaki KX450F
2019 Yamaha WR250F
2019 Yamaha WR450F
2019 Yamaha YZ250
2019 Yamaha YZ250F
2019 Yamaha YZ250FX
2019 Yamaha YZ250X
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Kawasaki KLX450R
2020 Kawasaki KX450F
2020 Yamaha WR250F
2020 Yamaha WR450F
2020 Yamaha YZ250
2020 Yamaha YZ250F
2020 Yamaha YZ250FX
2020 Yamaha YZ250X
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2021 Kawasaki KLX450R
2021 Kawasaki KX450F
2021 Yamaha WR250F
2021 Yamaha WR450F
2021 Yamaha YZ250
2021 Yamaha YZ250F
2021 Yamaha YZ250FX
2021 Yamaha YZ250X
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2022 Kawasaki KLX450R
2022 Kawasaki KX450F
2022 Yamaha WR250F
2022 Yamaha WR450F
2022 Yamaha YZ250
2022 Yamaha YZ250F
2022 Yamaha YZ250FX
2022 Yamaha YZ250X
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2023 Kawasaki KX450F
2023 Yamaha WR250F
2023 Yamaha WR450F
2023 Yamaha YZ250
2023 Yamaha YZ250F
2023 Yamaha YZ250FX
2023 Yamaha YZ250X
2023 Yamaha YZ450F
2023 Yamaha YZ450FX
2024 Kawasaki KX450F
2024 Yamaha WR250F
2024 Yamaha WR450F
2024 Yamaha YZ250
2024 Yamaha YZ250F
2024 Yamaha YZ250FX
2024 Yamaha YZ250X
2024 Yamaha YZ450F
2024 Yamaha YZ450FX
2025 Kawasaki KX450F
2025 Yamaha WR250F
2025 Yamaha WR450F
2025 Yamaha YZ250
2025 Yamaha YZ250F
2025 Yamaha YZ250FX
2025 Yamaha YZ250X
2025 Yamaha YZ450F
2025 Yamaha YZ450FX
2026 Kawasaki KX450F
2026 Yamaha WR250F
2026 Yamaha WR450F
2026 Yamaha YZ250
2026 Yamaha YZ250F
2026 Yamaha YZ250FX
2026 Yamaha YZ250X
2026 Yamaha YZ450F
2026 Yamaha YZ450FX