1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 42Get this manual
32 NOTE socket of the correct size can often be used as seal driverSelect socket that fits the seal's outer diameter properly and clears any protruding shafts
CHAPTER ONE
dOil seals should be installed with seal driver placed on the outside of the seal as shown in Figure 77Make sure the seal is driven squarely into the housingNever install seal by hitting against the top of the seal with hammerSNOWMOBILE OPERATION