2011 Arctic Cat 400 TRV ATV Service Manual, Page 57Get this manual
8Remove the secondary drive gearsecondary driven gear retaining nutFrom inside the crankcase using rubber mallet, drive out the output shaft assemblyAccount for the output shaft, shim, washer, and the nutAT THIS POINT To service crankshaft assembly, see Servicing Center Crankcase Components sub-section
NOTE: Continue to remove, measure, and install until backlash measurement is within toleranceNote the following chartBacklash Measurement
Under 0.05 mm (0.002 in At 0.05-0.33 mm (0.002-0.013 in Over 0.33 mm (0.013 in
Shim Correction
Decrease Shim Thickness No Correction Required Increase Shim Thickness
Servicing Center Crankcase Components