2011 Arctic Cat 366SE ATV Service Manual, Page 38Get this manual
CCylinder HeadCamshaft DValve CoverRocker Arms NOTE: Steps 1-4 in the preceding sub-section must precede this procedure
7Install the four cylinder head cap screws with washersNote that the two cap screws on the right side of the cylinder head nearest the cam sprocket are longer than the two cap screws on the left (spark plug) sideTighten only until snug
5While keeping tension on the cam chain, place the front cam chain guide into the cylinder
CAUTION
Care should be taken that the bottom of the chain guide is secured in the crankcase boss
8Install the two lower nuts securing the cylinder head to the cylinder, one in front and one in rear