Vespa LX 2012 User Manual

Removing the oil sump
- Remove the oil filler plug, the transmission cover,
the complete drive pulley assembly with belt and
the sprocket wheel, as described in the Transmis-
sion chapter.
- Drain the oil as described above.
- Remove the seven screws indicated in the figure
with the two rear brake transmission retainer
brackets.
- Remove the washers, the spring and the by-pass
piston.
Inspecting the by-pass valve
- Check the unloaded spring length.
- Check that the small piston is not scored.
- Ensure that it slides freely on the crankcase and
that it guarantees a good seal.
- If not, eliminate any impurities or replace defec-
tive parts.
Characteristic
Standard length
52.4 mm
Engine Vespa LX - S 125 3V ie 150 3V ie (2012)
ENG - 172

Vespa LX 2012 Specifications

General

Engine Type	Single-cylinder, 4-stroke
Displacement	124 cc
Cooling System	Air-cooled
Fuel System	Carburetor
Transmission	Automatic CVT
Fuel Tank Capacity	8.6 liters
Seat Height	785 mm
Curb Weight	114 kg
Length	1, 770 mm
Width	705 mm
Height	1, 140 mm
Max Power	10.3 hp @ 7, 750 rpm
Front Suspension	Single arm with coil spring and hydraulic shock absorber
Front Brake	200 mm
Rear Suspension	Coil spring and hydraulic shock absorber
Rear Brake	110 mm drum