Yamaha Countershaft Sprocket

PLEASE REFER TO THE FITMENT GUIDE BELOW BEFORE ADDING TO CART FLO MOTORSPORTS ULTRALITE FRONT COUNTERSHAFT SPROCKET - 13 TOOTH CNC machined to extremely tight tolerances for maximum life Computer aided Ultralite design enables the ultimate combination of strength and lightness Nickel Chrome Molybdenum Steel provides excellent longevity market Self cleaning mud grooves that will extend sprocket and chain life Precision machined to incredibly tight tolerances that provide perfect synchronicity and accuracy of fit Heat treated for increased durability and maximum life span FITMENT GUIDE BIKE YEAR FLO PART NUMBER  YZ125 / YZ250F 05 - UP 1590-13 YZ250 / YZ450F 99 - UP 565-13