GYTR 12T 12 TOOTH FRONT SPROCKET YAMAHA YZ250F WR250F YZ125 WR250R WR250X Fits: all YZ250F & WR250F '05~'14 YZ125 '08~'13 WR250R '08-'11 WR250X, *******WILL NOT FIT 2014 YZ250F********