Engine Revs Irregularly; Irregular Progress Of The Engine With Valve Slightly Open; Poor Performance At Full Throttle - Gilera Nexus 500 Workshop Manual

Injection

Engine revs irregularly

IRREGULAR PROGRESS OF THE ENGINE WITH VALVE SLIGHTLY OPEN

Possible Cause
Presence of faults detected by the self diagnosis
Intake system cleaning
Intake system seal
Ignition system
Parameter reliability
TPS reset successful
Analysis of exhaust fumes before the catalytic converter

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
INJEC - 202
revolution timing sensor
Coolant temperature.
Atmospheric pressure
Diffuser and throttle valve
Additional air pipe and Stepper
Spark plug wear check
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
Trimmer value adjustment (CO % adjustment)
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
Nexus 500
Operation
Pump relay
H.V. coil
Injector
Air temperature
Air filter
Intake sleeve
Filter box
Ignition advance
TPS reset successful
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