ELECTRIC SYSTEM INEFFICIENCY
Faulty controls (switches) or lights
and indicators
Contact an Authorised PIAGGIO
Service Centre
Battery inefficient Contact an Authorised PIAGGIO
Service Centre
13_26
Troubleshooting / What to do if... (13_26)
Idle adjustment
Adjust the idle speed as follows:
1. Release the three clamps and remove the plate.
2. Start the engine and take it to its normal operating temperature, i.e., 5 minutes run
at a medium speed.
3. Turn the gas valve travel end adjustment knob «A» to approach the minimum stop
limit of engine spontaneous stop.
4. Then, adjust the mixture flow adjustment screw «B» to reach the highest rpm num-
ber. If the rpm number reached is excessive, decrease it by knob «A» to reach a
regular minimum speed.
If this is problematic, go to a PIAGGIO Dealer or Authorised Service Centre.
THE IDLE ADJUSTMENT MUST BE PERFORMED WITH HOT ENGINE AND AC-
TIVE CATALYTIC CONVERTER. BEFORE PROCEEDING, CHECK THAT THERE
IS NO PLAY ON THE THROTTLE CONTROL. IF REQUIRED, GO TO A PIAGGIO
DEALER OR AUTHORISED SERVICE CENTRE TO HAVE THE THROTTLE CON-
TROL PLAY ADJUSTED.
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