2010 Arctic Cat DVX 300 / 300 Utility ATV Service Manual, Page 105Get this manual
NOTE: If the difference in measurements exceeds specifications, the bearings are not installed squarely or the gear case is warpedIf backlash is not within specifications, correct using the following chartBacklash Insufficient Excessive
Ring Gear Left Side
Decrease Shim Increase Shim
Ring Gear Right Side
Increase Shim Decrease Shim
ATV-0104
NOTE: Always change both shims by the same amount on opposite sidesIf left shim is increased, right shim must be decreased by the same amount
Correcting Tooth Contact