2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 300Get this manual
14-4 STEERING Specifications
Item Steering Wheel Steering Wheel Free Play Steering Gear Assembly Tie-Rod Length (Distance Between Flange End and Locknut) Standard 20 mm (0 0.79 in about 34 mm (1.34 in Service Limit