Gilera Nexus 500 Workshop Manual page 285

Nexus 500
Guaranteeing that this position will be kept, send
a confirmation for the TPS reset procedure.
Select the "PARAMETERS" function and check
that the TPS reset "YES" is displayed.
Reset should be performed in the following cases:
- on first fitting.
- in case of replacement of the throttle body
- if the injection control unit is replaced.
N.B.
THE TPS RESETTING PROCEDURE MUST NOT BE CARRIED OUT WITH A USED THROTTLE
BODY BECAUSE POSSIBLE VALVE WEAR AND STOP WEAR FOR THE MINIMUM OPENING
MAKE THE AIR FLOW DIFFERENTLY FROM THAT OF PRE-CALIBRATION.
Injection
INJEC - 93