Replaces OEM numbers:Twin Air 152218Yamaha MotorcycleWR250 F-F,G,H,J,K3GB 15-19YZ250 F-E,F,G,H,J 14-18YZ250 F-GY 60th Anniversary Edition 16YZ250 FX-F,G,H,J 15-19WR450 F-G,H,J 16-18YZ450 F-E,F,G,H1SL 14-17YZ450 F-G 60th Anniversary Edition 16YZ450 FX-F,G,H,J 15-18