2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 89Get this manual
ENGINE TOP END 4-7 Cylinder Head
Remove: Cap [A] Spark Plug
Oil Level Gauge [B] Cylinder Head Cover Bolts [C] Cylinder Head Cover [D]
Position the crankshaft at TDC of the end of the compression stroke Loosen: Lock Screws [A] Remove: Valve Clearance Adjusting Nuts [B]
Rocker Arm [C] Push Rods [D]