YOU ARE PURCHASING A NEW 13 TOOTH LIGHTWEIGHT JT FRONT SPROCKET THAT WILL FIT THE MODELS LISTED BELOW.13T IS STANDARD FRONT GEARING ON ALL MODELS BELOW.

YAMAHA

1999-2023 YZ250

2016-2023 YZ250X

2007-2023 YZ450F

2016-2022 YZ450FX

2007-2022 WR450F