2011 Arctic Cat 400 TRV ATV Service Manual, Page 105Get this manual
2Zero the dial indicator; then push the ring gear toward the dial indicator and releaseEnd-play should be 0.004-0.008 in3To increase end-play, decrease the shim thicknessTo decrease end-play, increase the shim thicknessNOTE: Once proper backlash and end play are established, the gear case can be assembled (see Assembling Differential Assembly in this sub-section) GC039A
6Zero the dial indicator; then while holding the pinion stationary, rock the ring gear assembly forward and back and record the backlashBacklash must be 0.011-0.015 inIf backlash is within specifications, proceed to Ring Gear End-PlayIf backlash is not within specifications, increase shim thickness to increase backlash or decrease shim thickness to decrease backlashNOTE: Higher backlash settings usually result in quieter gear operation