APRILIA ETX 150 Service Station Manual page 113

ETX - STX 150
•
Remove the inner rotor (10)
CAUTION
NOTE
MAKE SURE THAT DURING THE REFITTING THE PUNCH
MARK IS FACING UPWARDS.
•
Remove the outer rotor (11)
CAUTION
NOTE
MAKE SURE THAT DURING THE REFITTING THE PUNCH
MARK IS FACING DOWNWARDS AND THEREFORE NOT
VISIBLE.
Inspection
•
Check the rotors of the oil pump, the sliding surfaces of the external rotors in both bodies
and the surfaces to check for possible grooves.
Characteristic
Internal rotor thickness
12.98 / 12.60 mm (0.511 / 0.496 in)
External rotor thickness
12.98 / 12.60 mm (0.511 / 0.496 in)
Internal rotor axial clearance
0.1 mm (0.0039 in)
External rotor axial clearance
0.1 mm (0.0039 in)
Engine
ENG - 113