2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 229Get this manual
FWhile holding the adjuster dial at the proper clearance setting, tighten the jam nut securely with the valve adjuster handle; then tighten to ft-lb31Place the two tappet covers into position making sure the proper cap screws are with the proper coverTighten the cap screws securely CC003D
29In crisscross pattern starting from the center and working outward, tighten the cap screws (from step 28) to ft-lb30Adjust valvetappet clearance using the following procedureNOTE: Use Valve Clearance Adjuster for this procedureCC001D
ATurn the engine over until the piston reaches top dead center on the compression strokeBPlace the valve adjuster onto the jam nut securing the tappet adjuster screw; then rotate the valve adjuster dial clockwise until the end is seated in the tappet adjuster screw
32If removed, install the spark plug and tighten to 12 ft-lb
Left-Side Components
NOTE: For efficiency, it is preferable to remove and disassemble only those components which need to be addressed and to service only those componentsThe technician should use discretion and sound judgment