APRILIA Pegaso 650 Manual De Taller página 293

8.1.6 BRAKES
DEFECT
Poor braking power.
Brakes squeak.
Excessive stroke of
brake lever.
Brake fluid leakage.
8.1.7 CHASSIS
DEFECT
Hard steering.
Steering not fluid.
Handlebar oscillates.
Rear wheel oscillates.
Fork too soft.
Fork too rigid.
Noisy fork.
Rear wheel oscillates.
Rear suspension too
soft.
Rear suspension too
rigid.
Rear suspension noisy.
SYMPTOM AND POSSIBLE CAUSE
1) Brake fluid leakage from hydraulic system.
2) Brake pads worn.
3) Contact surfaces of pads soiled by oil, grease or
brake fluid.
4) Brake disc worn.
5) Air in hydraulic circuit.
6) Brake disc dirty with oil, grease or brake fluid.
1) Pad contact surfaces hardened.
2) Pads installed backwards.
3) Wheel bearing damaged.
4) Front or rear wheel pin loose.
5) Pads worn.
6) Foreign matter in brake fluid.
7) Brake pump return hole clogged.
1) Air in hydraulic circuit.
2) Insufficient brake fluid.
3) Unsuitable brake fluid.
4) Brake caliper pins locked.
1) Insufficient tightening of connection fittings.
2) Cracked pipes.
3) Pumping element and/or body worn.
SYMPTOM AND POSSIBLE CAUSE
1) Steering adjustment ring nut too tight.
2) Steering bearings broken.
3) Steering axis deformed.
4) Insufficient tyre pressure.
1) Steering bearings damaged.
1) Unbalanced adjustment of fork tubes.
2) Fork deformed.
3) Front wheel pin deformed or tyre deformed.
1) Wheel rim deformed.
2) Front wheel bearings worn.
3) Tyre defective or unsuitable type.
4) Wheel pin nut loose.
5) Fork oil unsuitable.
1) Springs weakened. .
2) Fork oil insufficient.
1) Fork oil too viscous.
2) Too much oil in fork.
1) Fork oil insufficient.
2) Suspension coupling screws and nuts loose
1) Wheel rim deformed.
2) Rear wheel bearings worn.
3) Tyre defective or unsuitable type.
4) Fork bearings worn.
5) Suspension screws and nuts loose.
6) Rear brake fastening nut loose.
7) Rear fork pin fastening ring loose.
1) Shock absorber spring weakened.
2) Adjusting device incorrectly adjusted.
3) Oil leakage from shock absorber.
1) Adjusting device incorrectly adjusted.
2) Shock absorber pin deformed.
3) Fork deformed.
4) Fork bearings worn.
5) Suspension roller bearings worn.
1) Suspension screws and nuts loose.
2) Fork bearings worn.
3) Suspension roller bearings worn.
REMEDY
Repair or change.
Change.
Change pads.
Change disc.
Bleed circuit.
Clean.
Restore surfaces with sandpaper.
Install correctly.
Change.
Tighten to prescribed driving torque.
Change.
Change brake fluid.
Disassemble and clean brake
pump.
Tighten to prescribed driving torque.
Change.
Change piston and/or body.
Check.
Tighten to prescribed driving torque.
Change.
Change the pumping element
and/or body.
REMEDY
Adjust.
Change.
Change.
Adjust.
Change.
Adjust.
Change.
Change.
Change.
Change.
Change.
Tighten.
Adjust.
Change.
Top up.
Change.
Remove excess oil.
Top up.
.
Tighten.
Change.
Change.
Change.
Change.
Change.
Tighten.
Tighten.
Change.
Adjust.
Change.
Adjust.
Change.
Change.
Change.
Change.
Tighten.
Change.
Change.
REPAIRS
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