2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 36Get this manual
PERIODIC MAINTENANCE 2-17 Periodic Maintenance Procedures
Position the crankshaft at TDC of the end of the compression stroke Turn the alternator rotor counterclockwise so that the projection [A] on the plate [B] comes to the cylinder as shownRemove the spark plug, if the thin rod is inserted in the
plug hole, and the rotor is rotated, top position of the piston is understoodCheck both rocker arms are freeIf not, turn the rotor more one turn and free both rocker arms
Using thickness gauge [A], measure the valve clearance between the rocker arm and the valve stemIf the valve clearance is incorrect, adjust itValve Clearance (when cold) Standard: 0.10 0.15 mm (0.0039 0.0059 in
Valve Clearance Adjustment
lock screw [A] Loosen the valve adjusting nut until the correct clearance Turn the valve adjusting nut [B] is obtained Holding the adjusting nut, tighten the lock screw