Compatible with OEM for Yamaha 17D-25450-50-00, 5TJ-25450-80-00 Compatible with Yamaha WR250F Team Yamaha 2011-2013, WR250F 2001-2024, WR400F 1999-2000, WR426F 2001-2002, WR450F Team Yamaha 2011-2012, WR450F 2003-2024 Compatible with Yamaha YZ250(YZ250F) 2010-2024, YZ250 50th Anniversary Edition 2024, YZ250 Monster Energy Yamaha Racing Edition 2022-2023, YZ250F 60th Anniversary Edition 2016, YZ250F Monster Energy Yamaha Racing Edition 2021-2023, YZ250F Team Yamaha 2011-2014, YZ250FX 2015-2024, YZ250X 2016- Compatible with Yamaha YZ125 50th Anniversary Edition 2024, YZ125 Monster Energy Yamaha Racing Edition 2022-2023, YZ125 2015-2024, YZ125X 2020-2024, YZ450F 2010-2024, YZ450F 50th Anniversary Edition 2024, YZ450F 60th Anniversary Edition 2016, YZ450F Monster Energy Yamaha Racing Edition 2021-2023, YZ450F Team Yamaha 2011-2014, YZ450F 2010-2024, YZ450FX 2016-2024 Rear Sprocket Pitch 520; Teeth 50; Material Steel; Surface Finish Sand Blast; Surface Treatment Galvanizing Direct Replacement for the Following OEM Part Numbers:

B2W-25450-00-00, 5TJ-25450-80-00, 5GS-25450-50-00, 17D-25450-50-00


Fits The Following OEM Models:

Yamaha WR250F Team Yamaha: 2011-2013
Yamaha WR250F: 2001-2024
Yamaha WR400F: 1999-2000
Yamaha WR426F: 2001-2002
Yamaha WR450F Team Yamaha: 2011-2012
Yamaha WR450F: 2003-2024
Yamaha YZ125 50th Anniversary Edition: 2024
Yamaha YZ125 Monster Energy Yamaha Racing Edition: 2022-2023
Yamaha YZ125: 2015-2024
Yamaha YZ125X: 2020-2024
Yamaha YZ250 50th Anniversary Edition: 2024
Yamaha YZ250 Monster Energy Yamaha Racing Edition: 2022-2023
Yamaha YZ250: 2010-2024
Yamaha YZ250F 50th Anniversary Edition: 2024
Yamaha YZ250F 60th Anniversary Edition: 2016
Yamaha YZ250F Monster Energy Yamaha Racing Edition: 2021-2023
Yamaha YZ250F Team Yamaha: 2011-2014
Yamaha YZ250F: 2010-2024
Yamaha YZ250FX: 2015-2024
Yamaha YZ250X: 2016-2024
Yamaha YZ450F 50th Anniversary Edition: 2024
Yamaha YZ450F 60th Anniversary Edition: 2016
Yamaha YZ450F Monster Energy Yamaha Racing Edition: 2021-2023
Yamaha YZ450F Team Yamaha: 2011-2014
Yamaha YZ450F: 2010-2024
Yamaha YZ450FX: 2016-2024