KYMCO Mongoose/KXR 250 Service Manual page 63

4
. LUBRICATION SYSTEM
Measure the inner rotor-to-outer rotor
clearance.
Service Limit: 0.2mm
Measure the pump body-to-outer rotor
clearance.
Service Limit: 0.25mm
ASSEMBLY
Install the outer rotor, inner rotor and pump
shaft into the pump body.
Insert the pump shaft by aligning the flat
on the shaft with the flat in the inner
rotor.
Install the dowel pin.
Install the pump cover by aligning the hole
in the cover with the dowel pin.
Tighten the screw to secure the pump cover.
INSTALLATION
Reverse the "OIL PUMP REMOVAL"
procedures.
Install the oil pump with the arrow on
the pump body facing up and fill the oil
pump with engine oil before installation.
4-5
Outer Rotor
Outer Rotor
Outer Rotor
Inner Rotor
Oil Pump Bolts
Mongoose/KXR 250
Inner Rotor
Pump Body
Pump Cover
Dowel Pin