PIAGGIO Beverly Tourer 300 i.e. Service Station Manual page 180

Injection
Poor performance at full throttle
POOR ENGINE PERFORMANCE AT FULL POWER/ ENGINE IRREGULAR PERFORM-
Possible Cause
Presence of faults detected by the self diagnosis
Spark plug power supply
Intake system
Parameter reliability
Fuel system
Engine knocking
PRESENCE OF KNOCKING (COMBUSTION SHOCKS)
Possible Cause
Presence of faults detected by the self diagnosis
Ignition efficiency
Parameter reliability
Intake system sealing
TPS reset successful
Fuel system
Selection of the cylinder base gasket thickness
Fuel supply system
The fuel supply 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.
INJEC - 180
ANCE ON PICKUP
Selection of the cylinder base gasket thickness
Beverly Tourer 300 i.e.
Operation
Pump relay
HV coil
Injector
Revolution timing sensor
Air temperature
Coolant temperature
Lambda probe
Spark plug
Shielded cap
HV cable
HV coil
Air filter
Filter box (sealing)
Intake sleeve (sealing)
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
Ignition advance
Fuel level in the tank
Fuel pressure
Fuel filter
Injector capacity
Operation
Pump relay
HV coil
Injector
Revolution timing sensor
Air temperature
Coolant temperature
Lambda probe
Spark plug
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
Ignition advance
Intake sleeve
Filter box
TPS reset successful
Fuel pressure
Fuel filter
Injector capacity
Fuel quality