2005 Arctic Cat ATVs factory service and repair manual, Page 556Get this manual

4Prior to final assembling, prelubricate journal on pinion assembly with SAE SOW-90 hypoid gear lubricant prior to pressing
to specificationsI NOTE: On front differential, the lock collar has right-hand threadsOn rear gear case, the lock collar
has left-hand threads 4Place punch on the edge of the lock collar in the oil gallery area; then using hammer, stake the lock
collar to ensure that the collar will remain securely tightened 2Place the pinion assembly in bearing puller; then install
the bearing using press 5Install the shift fork shaft wlspring into the gear housing making sure the shaft O-ring is positioned