2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 94Get this manual
4-12 ENGINE TOP END Valves
Valve Seat Repair
Follow the manufacturer's instructions for use of valve seat cuttersSpecial ToolsValve Seat Cutter, 4535: 57001-1116 [IN] Valve Seat Cutter, 3238.5: 57001-1122 [IN] Valve Seat Cutter, 4532: 57001-1115 [EX] Valve Seat Cutter, 3235: 57001-1121 [EX] Valve Seat Cutter Holder, 7: 57001-1126 Valve Seat Cutter Holder Bar: 57001-1128
If the manufacture's instructions are not available, use the following procedureSeat Cutter Operating Cares 1The valve seat cutter is designed only for valve seat repairTherefore the cutter must not be used for other purposes2Do not drop or hit the valve seat cutter, or the diamond particles may fall off3Do not fail to apply engine oil to the valve seat cutter before grinding the seat surfaceAlso wash off ground particles sticking to the cutter with washing oil