GAS GAS EC 125 Racing 2013 User Manual page 63

MALFUNCTION
15 Handlebar vibration
16 Motorcycle pull to one side
17 Brakes do not operate correctly
18 Blown light bulbs
19 Lighting system does not
operate
POSSIBLE CAUSE
- Excessive steering axles tolerances.
- Loose handlebar bracket, and loose
handlebar stem locknut.
- Bent chassis.
- Incorrect steering adjustment.
- Bent steering stem.
- Bent front fork.
- Incorrect wheel alignment.
- Worn discs.
- Leaking brake fluid.
- Deteriorated brake fluid.
- Broken pump piston.
- Incorrect brake adjustment.
- Voltage regulator faulty.
- Blown lighting relay fuse.
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REMEDY
- Tighten steering bracket and steering stem locknut to the
correct torque values.
- Tighten steering bracket and steering stem locknut to the
correct torque values.
- Replace the chassis. Go to a specialized workshop.
- Adjust the steering. Go to a specialized workshop.
- Replace the steering stem. Go to a specialized workshop.
- Replace the front fork.
- Align the wheels.
- Replace the discs.
- Verify the brake circuits. Replace the damaged or broken
parts.
- Drain the brake fluid and fill with the new fluid recommended
by the manufacturer.
- Replace the pump piston.
- Adjust brakes.
- Remove the seat and the fuel tank, and check all
connections, check the voltage regulator and the fuses in
the fuse box .
- Remove the seat, the fuse box cover, and replace the
fuse.