2009 Arctic Cat Prowler XTZ ATV Service Manual, Page 128Get this manual
NOTE: Prior to installing the seal, apply grease to the seal outside diameter
3Tighten the nuts to 38 ft-lb4Pour 275 ml (9.3 fl oz) of SAE 80W-90 hypoid lubricant into the differential and install the fill plugTighten to 16 ft-lb5Align the scribed match marks on the front input drive flange and the front drive yoke flange; then secure with the cap screws tightened to 20 ft-lb
4Using Gear Case Seal Installer Tool, evenly press the seal into the cover bore until properly seated