1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 37Get this manual
GENERAL INFORMATION
If an internal thread is damaged, it may be necessary to install Helicoil (Figure 66) or some other type of thread insertFollow the manufacturer's instructions when installing their insertIf it is necessary to drill and tap hole, refer to Table for metric tap drill sizesRemoving Broken or Damaged Studs