Vespa LX 2012 User Manual

Inspecting the crankshaft plain bearings
- To obtain a good bushing lubrication it is neces-
sary to have both an optimal lubricating pressure
(3.2 bar) and a good oil flow rate; the bushings
must be correctly positioned so as not to obstruct
the oil supply channels.
- The main bushings are comprised of two half-
bearings, one with holes and channels for lubrica-
tion whereas the other is solid.
Characteristic
«A»
AXIS CYLINDER
- The oil feeding channel section is also affected by the bushings driving depth compared with the
crankshaft axial clearance of the limiting surface.
N.B.
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP-
TER.
See also
Crankcase - crankshaft - connecting rod
Coupling chart
N.B.
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP-
TER.
See also
Crankcase - crankshaft - connecting rod
Refitting the crankcase halves
- Follow the removal steps but in reverse order; be
careful to respect the prescribed tightening tor-
ques.
- Insert the by-pass.
- Insert a new gasket and be careful with the align-
ment dowels.
- Maintaining the crankshaft inserted in the fly-
wheel side crankcase, couple the crankcase
halves.
- Insert the screws and tighten to specified torque.
Vespa LX - S 125 3V ie 150 3V ie (2012) Engine
ENG - 163

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