Possible Cause Operation
Check that the front brake calliper moves in axis
with the disc.
Brake disc slack or distorted Check the locking of the brake disc screws; use a
dial gauge and a wheel mounted on the vehicle to
measure the axial shift of the disc.
Fluid leakage in hydraulic braking system Elastic fittings, piston seals or brake pump break-
down, replace
Brakes overheating
OVERHEATING BRAKES
Possible Cause Operation
Defective sliding of pistons Check calliper and replace any damaged part.
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.
Clogged compensation holes on the pump Clean carefully and blast with compressed air
Swollen or glued rubber gaskets Replace gaskets.
Electrical system
Battery
BATTERY
Possible Cause Operation
Battery The battery is the electrical device in the system
that requires the most frequent inspections and
thorough maintenance. Frequently check that the
fluid level fully covers the plates; otherwise, re-
store the level adding distilled water (never use
natural water, even if it is drinking water) and
check fluid density at the same time. If the vehicle
is not used for some time (1 month or more) the
battery needs to be recharged periodically. The
battery tends to discharge completely within three
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 marked+.
N.B.
KEEP IN MIND THAT THE VEHICLE CANNOT RUN WITHOUT A BATTERY AND THAT THE BAT-
TERY MUST NEVER BE DISCONNECTED WHILE THE VEHICLE IS RUNNING.
Turn signal lights malfunction
PROBLEMS WITH ELECTRICAL SYSTEM
Possible Cause Operation
Oil check doesn't work Check the turn indicator device and wiring.
Runner Purejet Troubleshooting
TROUBL - 3
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