PIAGGIO Beverly Tourer 250 i.e. Service Station Manual page 167

Beverly Tourer 250 i.e.
Poor performance at full throttle
POOR ENGINE PERFORMANCE AT FULL POWER/ ENGINE IRREGULAR PROGRESS
Possible Cause
Presence of faults detected by the self diagnosis
Spark plug power supply
Intake system
Parameter reliability
Fuel supply
Engine knocking
PRESENCE OF KNOCKING (COMBUSTION SHOCKS)
Possible Cause
Presence of faults detected by the self diagnosis
Ignition efficiency
Parameter reliability
Intake system seal
TPS reset successful
Fuel supply
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.
ON PICKUP
revolution timing sensor
Intake sleeve (sealing)
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
revolution timing sensor
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
Selection of the cylinder base gasket thickness
Operation
Pump relay
HV coil
Injector
Air temperature
Coolant temperature
Lambda sensor
Spark plug
Shielded cap
HV cable
HV coil
Air filter
Filter box (sealing)
Ignition advance
Fuel level in the tank
Fuel pressure
Fuel filter
Injector capacity
Operation
Pump relay
HV coil
Injector
Air temperature
Coolant temperature
Lambda sensor
Spark plug
Ignition advance
Intake sleeve
Filter box
TPS reset successful
Fuel pressure
Fuel filter
Injector capacity
Fuel quality
INJEC - 167
Injection