2008 Arctic Cat ATVs factory service and repair manual, Page 310Get this manual
I 7Using rubber mallet, tap the output driveshaft from the bearingAccount for shim, driven bevel gear, washer, and nut
Servicing Center Crankcase Components
=NOTE: Whenever part is worn excessively, cracked, damaged in any way, or out of tolerance, replacement is necessary
SECONDARY GEARS
iNOTE: When checking and correcting secondary gear backlash and tooth contact, the universal joint must be secured to the front shaft or false measurements will occur
Checking Backlash
iNOTE: The rear shaft and bevel gear must be removed for this procedureAlso, always start with the original shims on the rear shaft
1Place the left-side crankcase cover onto the left-side crankcase half to prevent runout of the secondary transmission output shaft
2Install the secondary driven output shaft assembly onto the crankcase3Mount the dial indicator so the tip is contacting tooth on the secondary driven bevel gear
4While rocking the driven bevel gear back and forth, note the maximum backlash reading on the gauge8Remove the front and rear crankshaft balancers; then install the magneto cover on the left crankcase half