Noisy Suspension - PIAGGIO B 250 Workshop Manual

Troubleshooting
Possible Cause
Turn signal lights malfunction
Possible Cause
Electronic ignition device failure
Steering and suspensions
Heavy steering
Possible Cause
Steering hardening
Excessive steering play
Possible Cause
Torque not conforming

Noisy suspension

Possible Cause
Malfunctions in the suspension system
TROUBL - 64
the black ground wire is connected to the negative terminal
while the red wire is connected to the terminal marked+.
TURN INDICATOR NOT WORKING
With the key switch set to "ON" jump the contacts 1 (Blue -
Black) and 5 (Red/Blue) on the control unit connector. If by
operating the turn indicator control the lights are not steadily
on, replace the control unit; otherwise, check the cable harness
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-
E
XCESSIVE STEERING BACKLASH
Check the tightening of the top and bottom ring nuts. If irregu-
larities in turning the steering continue even after making the
above adjustments, check the seats on which the ball bearings
rotate: replace them if they are recessed or if the balls are flat-
N
OISY SUSPENSION
If the front suspension is noisy, check: the efficiency of the front
shock absorbers; the condition of the ball bearings and relevant
lock-nuts, the limit switch rubber buffers and the movement
bushings. In conclusion, check the tightening torque of the
wheel hub, the brake calliper, the shock absorber disk in the
Operation
Operation
and the switch.
Operation
tened.
Operation
tened.
Operation
attachment to the hub and the steering tube.
B 125-250