2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 196Get this manual
TRANSMISSION 9-27 2WD4WD Shift Mechanism (KAF400-AC)
2WD4WD Shift Cable Adjustment
Put the shift lever [A] in the 2WD position
Install the 2WD4WD shift cable [A] to the shift shaft lever [B] and cable bracket [C]