2005 Kawasaki KAF620 Mule 3010 Trans 4x4 Service Manual, Page 245Get this manual
12-24 FINAL DRIVE Bevel Gear Case
dial Set up a[B]gauge [A] against one of the grooves in the locknut and To measure the backlash, turn the shaft clockwise gear counterclockwise while holding the drive bevel steadyThe difference between the highest and lowest gauge readings is the amount of backlashSpecial ToolTransmission Gear Holder [C]: 57001-1364