DAELIM NS125III Service Manual page 26

Remove the oil pump.
Clean the oil pump body, inner and outer rotors
with fresh cleaning oil.
Inspection
Assemble the inner and outer rotors to the oil
pump
Measure the pump body clearance.
Service limit: 0.23mm (0.009in)
Measure the rotor tip clearance.
Service limit: 0.18mm (0.007in)
Measure the pump side clearance.
Service limit: 0.12mm (0.005in)
Pump body
Pump plate
Outer
rotor
Lubrication
Pump shaft
Inner
Setting
rotor
Outer
pin
rotor
Inner
rotor
2-5