2007 Arctic Cat ATVs factory service and repair manual, Page 172Get this manual

2007 Arctic Cat ATVs factory service and repair manual, Page 172

Keep the mounting hardware with the covers for assembly purposes or thread them back into the head to keep them separatedi
account for the four rubber washers on the top side cap screwsRemove the valve coverAccount for and note the orientation
of the cylinder head plugNote the location of two alignment pins 4Using an awl, rotate the C-ring in its groove until it
is out of the cylinder head; then remove the C-ring1 NOTE: Care should be taken not to drop the C-ring down into the crankcase