2008 Arctic Cat ThunderCat ATV Service Manual, Page 115Get this manual
5Place the pinion housing with new gasket onto the gear case housing; then secure with the existing cap screwsTighten to 23 ft-lbNOTE: If new gear case housing is being installed, tighten the cap screws to 25-31 ft-lb KX221
Disassembling Pinion Gear
NOTE: This procedure can be performed on rear gear caseKX222
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