Gilera Nexus 500 Workshop Manual page 198

Injection
- spark plug
- that air filter is clean
- that throttle body is clean
- intake system for sealing
- exhaust system for sealing
- valve clearance
- fuel filter
- Fuel pressure
N.B.
IDLE SPEED IS OBTAINED BY PRECALIBRATING THE THROTTLE BODY AND ACTIVATING THE
STEPPER.
Characteristic
Engine idle speed
1500 ± 50 rpm
Check that the throttle body is not tampered.
YES go to 2
2 - Preheat and check the zero setting of the ex-
haust fumes analyser.
Remove the exhaust manifold cover and connect
the extension to the coupling clamp for the analy-
ser pipe.
YES go to 3
3 - Connect the diagnostic tester.
Set the switch to "ON" with switch to "RUN" and
side stand raised.
YES go to 4
4 - Select the menu on the "ERRORS" function.
Check whether there are any failures.
YES go to 6 NO go to 5
5 - Select the menu on the "PARAMETERS" func-
tion.
YES go to 7
6 - Repair according to indications supplied.
YES go to 4
7 - Start the engine and let it warm up until the
following conditions are present:
- coolant temperature = over 80°C
- intake air temperature = 25 ÷ 30°C
INJEC - 6
Nexus 500