VESPA LX 50, Workshop Manual

Page: 90 / 160

OF THE TUBE. IN THIS CASE, THE TENDENCY IS TO OB-
TAIN A REDUCED FUEL FLOW RATE. THE SUCTION OUT-
LET ON THE MANIFOLD HAS A SECTION INTENTIONALLY
REDUCED FOR THE PURPOSE OF ENHANCING THE SUC-
TION PULSATION AND THEREBY GUARANTEE A CON-
STANT TAP FLOW RATE.
Specific tooling
020329Y Mity-Vac vacuum-operated pump
Characteristic
Minimum flow rate
20 cc
- Completely empty the fuel tank.
- Remove the petrol delivery pipe and the low-
pressure pipe.
- Loosen the clip and remove the cock.
- Clean the tank and the filter of the cock with a
specific solvent.
- Refit the cock making sure that there is an O-
Ring.
- Turn the cock to the direction it had before it was
removed and block the clip.
N.B.
THE FILTER CAN BE UNSCREWED FROM THE COCK TO
FACILITATE CLEANING.
Engine
Vespa LX 50
ENG - 90