VESPA ET4 50 Workshop Manual page 109

ET4 50
Engine
- Remove the protection, the bracket and the start-
er undoing the screw shown in the figure.
CAUTION
THE CARBURETTOR FEATURES AN ANTIVIBRATION
RUBBER BUFFER FITTED ON THE LOWER SUPPLEMENT
OF THE ACCELERATING PUMP BODY. UPON REFITTING
THE CARBURETTOR ON THE ENGINE, MAKE SURE THIS
BUFFER IS PRESENT SO THAT THE PETROL IN THE TANK
DOES NOT EMULSIFY.
- Remove the 2 fixing screws indicated in the fig-
ure, the vacuum chamber cover and the spring.
- Remove the vacuum valve together with the di-
aphragm; the pin, the spring and its plastic guide.
WARNING
DURING THE REMOVAL OF THE COVER TAKE SPECIAL
CARE NOT TO RELEASE THE SPRING ACCIDENTALLY.
- Remove the 3 fixing screws and the tank with the
gasket.
- Remove the tank components following the pro-
cedure below.
- Undo the 2 screws fixing the intake pump dia-
phragm cover.
ENG - 109