Gilera Nexus 500 Workshop Manual page 112

Engine
- Remove the blow-by reed valve with the relevant
sealing gasket.
- Unscrew the fastening screw and remove the gas
outlet union with the relevant O-ring.
- Remove the water pump impeller by unscrewing
it from the relevant shaft.
N.B.
THE THREADING IS CLOCKWISE. IT IS ADVIS-
ABLE TO PREVENT THE SHAFT ROTATION
BY INSERTING A 12-MM WRENCH INTO THE
DRIVE.
- Extract the shaft with the relevant abutment
washer.
ENG - 30
Nexus 500