2011 Arctic Cat 366SE ATV Service Manual, Page 28Get this manual
8Remove the cam chain tensioner by lifting it from the chain cavity; then remove the two lower nuts securing the cylinder head to the cylinder, one in front and one in rear
AT THIS POINT
To service valves and cylinder head, see Servicing TopSide Components sub-section
11Remove the cam chain guide
AT THIS POINT
To inspect cam chain guide, see Servicing Top-Side Components sub-section