2001 Arctic Cat ATVs factory service and repair manual, Page 67Get this manual
8Remove the nuts securing the cylinder head to the cylinder; then remove the three cylinder head cap nuts and one nut with copper washers (note location of the cap nuts and nuts)Fig3-43
NOTE: Loop the chain over the cylinder and secure it with wire to keep it from falling into the crankcaseCC376D
6Using an awl, rotate the C-ring in its groove until it is out of the cylinder head; then remove the C-ringNOTE: Care should be taken not to drop the C-ring down into the crankcaseFig3-41