2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 118Get this manual
11Remove the cam chain guide AT THIS POINT
To inspect cam chain guide, see Servicing Top-Side Components sub-section
9Remove the four cylinder head cap screws and 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) sideMD1173
CCylinder DPiston
NOTE: Steps 1-11 in the preceding sub-section must precede this procedure
12Remove the two nuts securing the right side of the cylinder to the right-side crankcase halfAccount for the washersCD211