2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 201Get this manual
9-32 TRANSMISSION Differential Gears and Shift Mechanism
Remove: Gear Housing Bolts [A] Differential
Final Gear [B]
Remove: [A] Housing
Knock Pin [B] Side Gear [C] Spacer [D]
Remove: Pin [A] Retaining