PIAGGIO Beverly Tourer 125, Service Station Manual

Page: 55 / 278

Insufficient braking
I
NSUFFICIENT BRAKING
Possible Cause Operation
Inefficient braking system Check the pad wear (1.5 min). Check that the brake discs are
not worn, scored or warped. Check the correct level of fluid in
the pumps and change brake fluid if necessary. Check there is
no air in the circuits; if necessary, bleed the air. Check that the
front brake calliper moves in axis with the disc.
Fluid leakage in hydraulic braking system Failing elastic fittings, plunger or brake pump seals, replace
Brakes overheating
BRAKES OVERHEATING
Possible Cause Operation
Rubber gaskets swollen or stuck Replace gaskets.
Compensation holes on the pump clogged Clean carefully and blast with compressed air
Brake disc slack or distorted Check the brake disc screws are locked; use a dial gauge and
a wheel mounted on the vehicle to measure the axial shift of
the disc.
Defective piston sliding Check calliper and replace any damaged part.
Braking vibrations or noise
V
IBRATIONS OR NOISE WHEN BRAKING
Possible Cause Operation
Brake disc slack or distorted Check the brake disc screws are locked; use a dial gauge and
a wheel mounted on the vehicle to measure the axial shift of
the disc.
Electrical system
Battery
BATTERY
Possible Cause Operation
Battery This is the device in the system that requires the most frequent
attention and the most 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 3 months. If the battery is fitted on a motorcycle,
be careful not to invert the connections, keeping in mind that
the black ground wire is connected to the negative terminal
while the red wire is connected to the terminal .
Turn signal lights malfunction
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 5 (Green/Red) on the control unit connector.
Beverly 125
Troubleshooting
TROUBL - 55