2008 Arctic Cat ATVs factory service and repair manual, Page 376Get this manual
4Install the input shaft into the housing; then install the front boot and secure with an appropriate boot clamp and the rear boot with an appropriate boot clamp 2Install the input shaft seal making sure it is flush with the edge of the housing3Lubricate the input shaft splines with High-Performance #2 Molybdenum Disulphide GreaseINOTE: Any time drive splines are separated, clean all splines with parts-cleaning solvent and dry with compressed air; then lubricate with recommended grease"I