2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 248Get this manual

2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 248

2Inspect the spark plug hole for any damaged threadsRepair damaged threads using "heli-coil" insert3Place the cylinder head
The chrome (silver) ring should be installed in the top position ! CAUTION Water or parts-cleaning solvent must be used in
conjunction with the wet-or-dry sandpaper or damage to the sealing surface may result 726-306A Measuring Cylinder Head Distortion
! CAUTION Incorrect installation of the piston rings will result in engine damage 1Remove any carbon buildup in the combustion
chamber2Lay straightedge across the cylinder head; then using feeler gauge, check the distortion factor between the head
and the straightedge3Maximum distortion must not exceed specifications CYLINDERCYLINDER HEAD ASSEMBLY NOTE: If the cylindercylinder
head assembly cannot be trued, they must be replaced CleaningInspecting Cylinder Head ! CAUTION The cylinder head studs must