PIAGGIO MSS ZIP 100 4T, Service Manual

Page: 44 / 192

Electrical system
Battery
BATTERY
Possible Cause Operation
The battery is the electrical device in the system that requires
the most frequent inspections and thorough maintenance.
The battery is the electrical device in the system that requires
the most frequent inspections and thorough maintenance. If the
vehicle is not used for some time (1 month or more) the battery
needs to be recharged periodically. The battery runs down
completely in the course of 5 ÷ 6 months. If the battery is fitted
on a motorcycle, be careful not to invert the connections, keep-
ing in mind that the black earth wire is connected to the negative
terminal while the red wire is connected to the terminal marked
+.
Turn signal lights malfunction
ELECTRICAL SYSTEM MALFUNCTION
Possible Cause Operation
Turn indicators do not turn on Check turn indicators device and/or wiring as described in the
«Electrical system» chapter.
TURN INDICATOR NOT WORKING
Possible Cause Operation
Electronic ignition device failure With the key switch set to "ON" jump the contacts 1 (Blue -
Black) and 3 (White) on the voltage regulator connector. If by
operating the turn indicator control the lights are not steadily
on, replace the control unit; otherwise, check the cable harness
and the switch.
Steering and suspensions
Rear wheel
REAR WHEEL ROTATES WITH ENGINE AT IDLE
Possible Cause Operation
Idling rpms too high Adjust the engine idle speed and the CO%, if necessary.
Clutch fault Check the springs / clutch masses
Controls
STEERING AND SUSPENSIONS CONTROLS
Possible Cause Operation
Steering hardening Check the tightening of the top and bottom ring nuts. If irregu-
larities continue in turning the steering even after making the
above adjustments, check the seats in which the ball bearings
rotate: replace them if they are recessed or if the balls are flat-
tened.
Troubleshooting
MSS ZIP 100 4T
TROUBL - 44