Gilera 633499 Workshop Manual page 63

Runner Purejet
Engine from vehicle
- Remove the generator cable connector
Remove the fuel connectors from the fuel injector,
as follows:
- Press the union pipe downwards
- Hold the pipe downwards and pull the safety ring
upwards
- Extract the connector from the fuel injector
If the connector is difficult to extract, do not force
it too much and combine the rotation movement
with pushing-pulling stresses.
ENG VE - 3