2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 136Get this manual
ENGINE LUBRICATION SYSTEM 6-9 Oil Pump, Relief Valve
Measure the inside diameter [A] of the pump housing with an inside micrometer at several pointsIf the inside diameter is more than the service limit, replace the crankcase coverPump Housing Inside Diameter Standard: 40.680 40.701 mm (1.6016 1.6024 in
of the Measure theatdepth [B] points.pump housing with depth micrometer several If any of measurement is more than the service limit, replace the crankcase coverPump Housing Depth Standard: 10.03 10.08 mm (0.3949 0.3968 in Service Limit: 10.16 mm (0.4000 in
Service Limit: 40.801 mm (1.6063 in