2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 88Get this manual
4-6 ENGINE TOP END Cylinder Head
Cylinder Compression Measurement
Tilt up the cargo bed.the engine so that the engine oil beup Thoroughly warmand the cylinder wall will help seal comtween the piston
pression as it does during normal runningStop the engine, remove the spark plug, and attach compression gauge [A] firmly into the spark plug holeSpecial ToolsCompression Gauge, 20 kgfcm: 57001-221 Compression Gauge Adapter, M14 1.25 [B]: 57001-1159
turn the engine over throt Using the starter motor, compression gaugewith therising; tle fully open until the stops this is the highest compression reading obtainableCylinder Compression Usable Range: 340 590 kPa (3.5 6.0 kgfcm, 50 85 psi) 530 rmin (rpm)
Repeat the measurement to the other cylinderProblem Cylinder compression higher than usable range