VESPA LX 150 4T Euro 3 Service Station Manual page 125

Vespa LX 125 - 150 4T Euro 3
- Remove the central screw with cup washer, as
shown in the diagram.
- Remove the chain with the pulley.
- Remove the crankshaft control pinion.
- Remove the oil pump acting on the 2 retainers as
shown in the figure.
- Remove the oil pump seal.
IT IS ADVISABLE TO MARK THE CHAIN IN ORDER TO EN-
SURE THAT THE INITIAL DIRECTION OF ROTATION IS
MAINTAINED.
Inspection
- Remove the two screws and the oil pump cover.
- Remove the circlip retaining the innermost rotor.
- Remove and wash the rotors thoroughly with pet-
rol and compressed air.
- Reassemble the rotors in the pump body, keep-
ing the two reference marks visible Replace the
retainer ring.
- Using a feeler gauge, check the distance be-
tween the rotors in the position shown in the figure.
Characteristic
Maximum clearance admitted
0.12 mm
Engine
ENG - 125