APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: Y.A.M.A.H.A. YZ450F ´03 henceforth5 Y.A.M.A.H.A. WR F 450: 2003-2003 Y.A.M.A.H.A. YZ F 450: 2003-2005