2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 198Get this manual
TRANSMISSION 9-29 Differential Gears and Shift Mechanism
Differential Shift Cable Adjustment
Put the shift lever [A] in the UN-LOCK position
Install the differential shift cable [A] to the shift shaft lever [B] and cable bracket [C]