APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: SWING ARM BEARING KIT YAMAHA WR250F 02 henceforth5 YAMAHA WR426F 02 YAMAHA WR450F 03 henceforth5 YAMAHA YZ125 02 henceforth4 YAMAHA YZ250 02 henceforth5 YAMAHA YZ250F 02 henceforth5 YAMAHA YZ426F 02 YAMAHA YZ450F 03 henceforth5