High Fuel Consumption; Transmission And Brakes; Clutch Grabbing Or Performing Inadequately; Insufficient Braking - PIAGGIO Liberty 125 Workshop Manual

Liberty 125 - 200 4tempi

High fuel consumption

Possible Cause
Air filter blocked or dirty.
Starter inefficient
Loose nozzles
Incorrect float level

Transmission and brakes

Clutch grabbing or performing inadequately

IRREGULAR CLUTCH PERFORMANCE OR SLIPPAGE
Possible Cause
Slippage or irregular functioning

Insufficient braking

Possible Cause
Worn brake pads or shoes
Front brake disk loose or deformed
Air bubbles inside the hydraulic braking system
Fluid leakage in hydraulic braking system
Excessive backlash in the rear brake control cable
Brakes overheating
Possible Cause
Rubber gaskets swollen or stuck
Compensation holes on the pump clogged
Brake disc slack or distorted
Defective piston sliding

EXCESSIVE FUEL CONSUMPTION

Check: electric wiring, circuit continuity, mechanical sliding and
Check the maximum and minimum nozzles are adequately
Restore the level in the tank by bending on the float the thrust-
ing reed of the petrol inlet rod so as to have the float parallel to
Check that the faying surface between the clutch masses and
the clutch bell is mainly in the middle and with equivalent spec-
Check that the clutch bell is not scored or worn abnormally
INEFFICIENT OR NOISY BRAKING
Replace the brake pads or shoes and check for brake disk or
Check the brake disc screws are locked; use a dial gauge and
a wheel mounted on the vehicle to measure the axial shift of
Carefully bleed the hydraulic braking system, (there must be
Failing elastic fittings, plunger or brake pump seals, replace
Adjust the backlash with the appropriate adjuster located on
BRAKES OVERHEATING
Check the brake disc screws are locked; use a dial gauge and
a wheel mounted on the vehicle to measure the axial shift of
Operation
Clean according to the procedure
power supply
fixed in their fittings
the tank level with the carburettor inverted.
Operation
Check that there is no grease on the masses.
ifications on the three masses.
Never run the engine without the clutch bell
Operation
drum wear conditions.
the disc.
no flexible movement of the brake lever).
the back part of the crankcase.
Operation
Replace gaskets.
Clean carefully and blast with compressed air
the disc.
Check calliper and replace any damaged part.
Troubleshooting
TROUBL - 37