2005 Kawasaki KAF620 Mule 3010 Trans 4x4 Service Manual, Page 205Get this manual
TRANSMISSION 10-25 2WD4WD Shift Mechanism
Remove:[A] Shifter
Circlip [B] Speedometer Gear [C] Collar
Special ToolOutside Circlip Pliers: 57001-144
2WD4WD Shift Mechanism Installation