Brakes Overheating - PIAGGIO Vespa LX 150 4T Euro 3 Service Station Manual

Vespa LX 125 - 150 4T Euro 3
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 Adjust the backlash with the appropriate adjuster

Brakes overheating

Possible Cause
Rubber gaskets swollen or stuck
Compensation holes on the pump clogged
Brake disc slack or distorted
Defective piston sliding
Electrical system
Battery
Possible Cause
Battery
Check that there is no grease on the masses.
Check that the faying surface between the clutch
masses and the clutch bell is mainly in the middle
and with equivalent specifications on the three
Check that the clutch bell is not scored or worn
INEFFICIENT OR NOISY BRAKING
Replace the brake pads or shoes and check for
Check the brake disc screws are locked; use a dial
gauge and a wheel mounted on the vehicle to
Carefully bleed the hydraulic braking system,
(there must be no flexible movement of the brake
Failing elastic fittings, plunger or brake pump
BRAKES OVERHEATING
Clean carefully and blast with compressed air
Check the brake disc screws are locked; use a dial
gauge and a wheel mounted on the vehicle to
Check calliper and replace any damaged part.
BATTERY
The battery is the electrical device in the system
that requires the most frequent inspections and
Operation
masses.
abnormally
Never run the engine without the clutch bell
Operation
brake disk or drum wear conditions.
measure the axial shift of the disc.
lever).
seals, replace
located on the back part of the crankcase.
Operation
Replace gaskets.
measure the axial shift of the disc.
Operation
Troubleshooting
TROUBL - 5