2003-2005 Suzuki LT-A500F Service Manual, Page 161Get this manual
DRIVE TRAIN
SHIM ADJUSTMENT
BACKLASH Install the removed left and right side shims and differential assembly Assemble the gear case cover(4-14) NOTE: At this time, it is not necessary to apply sealant to the mating surface of the gear case(4-14) Remove the oil filler cap and measure the backlash of the differential ring gear using the horizontal type dial gauge and proper size of wooden piece or plastic pieceas shownTake backlash readings at three places while turning the ring gear slightly in each direction and securely holding the pinion gearRead the total backlash on the dial gaugeRemove the dial gauge and turn the ring gear 120, then measure the backlashRepeat this procedure once more and compare the difference of the three measurementsIf the backlash is not within specification, the shim must be changed and the backlash should be re-checked until correctRefer to the chart at the right for the appropriate shim thicknessBacklash Standard: 0.05 0.10 mm (0.0020 0.0040 in) NOTE: Adjust the backlash by referring to the chart at the right and using the thickness of the removed shims as guideBacklash Under 0.05 mm (0.0020 in) 0.05 0.10 mm (0.0020 0.0040 in) Over 0.10 mm (0.0040 in) Shim adjustment Increase shim thickness Correct Decrease shim thickness