Gilera 633721 Workshop Manual page 201

Nexus 500 euro 3
Poor performance at full throttle
POOR ENGINE PERFORMANCE AT FULL POWER/ IRREGULAR ENGINE 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 (OVERHEAD KNOCKING)
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
ON PICKUP
revolution timing sensor
Coolant temperature.
Atmospheric pressure
Filter box (sealing)
Intake sleeve (sealing)
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
Fuel level in the tank
revolution timing sensor
Coolant temperature.
Atmospheric pressure
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
Selection of the cylinder base gasket thickness
Operation
Pump relay
H.V. coil
Injector
Air temperature
Spark plug
Shielded cap
HV cable
HV coil
Air filter
Ignition advance
Fuel pressure
Fuel filter
Injector capacity
Operation
Pump relay
H.V. coil
Injector
Air temperature
Spark plug
Ignition advance
Intake sleeve
Filter box
TPS reset successful
Fuel pressure
Fuel filter
Injector capacity
Fuel quality
INJEC - 201
Injection