Vespa LX 50 Workshop Manual

Remove the tube passage seal from the crank-
case shown in the figure
Refitting
To refit, perform the steps in the reverse direction
to disassembly
Remember to drain after refitting using the screw
shown in the figure
Fuel supply
- Disconnect the fuel supply and the suction taking
pipe from the carburettor.
- Check that there are no fuel leaks between the
two tubes.
- Close the fuel outlet pipe.
- By means of the MITYVAC pump apply 0.1 bar
of suction to the tap.
- Make sure that the suction is kept stable and that
and that there are no fuel leaks.
- Reconnect the suction pipe to the manifold.
- Position the fuel pipe with the outlet at the point
of the tap.
- Turn the engine by using the starter for five sec-
onds with the carburettor at minimum.
- Take up the fuel by means of a graded burette.
N.B.
THE MEASUREMENT MAY BE FALSIFIED BY THE INCOR-
RECT NUMBER OF REVS OR BY THE WRONG POSITION
Vespa LX 50 Engine
ENG - 89

Vespa LX 50 Specifications

General

Engine Type	Single-cylinder, 4-stroke
Displacement	49.9 cc
Fuel System	Carburetor
Front Brake	200 mm disc
Rear Brake	110 mm drum
Seat Height	785 mm
Fuel Tank Capacity	8.6 liters
Tires Front	110/70 - 11"
Tires Rear	120/70 - 10"
Length	1, 770 mm
Width	705 mm
Cooling System	Air cooled
Transmission	Automatic
Max Power	3.2 kW
Max Torque	4.2 Nm