Vespa LX 2012 User Manual

Engine knocking
PRESENCE OF KNOCKING (COMBUSTION SHOCKS)
Possible Cause Operation
Presence of faults detected by the self diagnosis Pump relay
HV coil
Injector
Revolution timing sensor
Air temperature
Engine temperature
Lambda sensor
Ignition efficiency Spark plug
Parameter reliability Throttle valve position signal
Engine temperature signal
Intake air temperature indicator
Ignition advance
Intake system sealing Air cleaner joint
Filter box
TPS reset successful TPS reset successful
Fuel system Fuel pressure
Fuel filter
Injector capacity
Fuel quality
Selection of the cylinder base gasket thickness Selection of the cylinder base gasket thickness
Fuel supply system
The fuel system circuit includes the electric pump, the filter, the pressure regulator, the electro-injector
and the fuel delivery pipes.
The electrical pump is located in the tank from which the fuel is pumped and sent to the injector through
the filter.
The pressure is controlled by the pressure regulator situated in the pump assembly in the tank.
Injection Vespa LX - S 125 3V ie 150 3V ie (2012)
INJEC - 186

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