VESPA LX 125 4T Euro 3, Руководство по обслуживанию станции

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High fuel consumption
EXCESSIVE FUEL CONSUMPTION
Possible Cause Operation
Air filter blocked or dirty Clean according to the procedure
Inefficient Starter Check: electric wiring, circuit continuity, mechanical sliding and
power supply
Loose nozzles Check the maximum and minimum nozzles are adequately
fixed in their fittings
Incorrect float level Restore the level in the chamber by bending on the float the
thrusting reed of the petrol intake rod so as to have the float
parallel to the chamber level with the carburettor inverted.
Transmission and brakes
Clutch grabbing or performing inadequately
IRREGULAR CLUTCH PERFORMANCE OR SLIPPAGE
Possible Cause Operation
Slippage or irregular functioning Check that there is no grease on the masses.
Check that the faying surface between the clutch masses and
the clutch housing is mainly in the middle and with equivalent
specifications on the three masses.
Check that the clutch housing is not scored or worn abnormally
Never run the engine without the clutch housing
Insufficient braking
INEFFICIENT OR NOISY BRAKING
Possible Cause Operation
Worn brake pads or shoes Replace the brake pads or shoes and check for brake disk or
drum wear conditions.
Front brake disk loose or deformed 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.
Air bubbles inside the hydraulic braking system Carefully bleed the hydraulic braking system, (there must be
no flexible movement of the brake lever).
Fluid leakage in hydraulic braking system Failing elastic fittings, plunger or brake pump seals, replace
Excessive clearance in the rear brake control cable Adjust the clearance with the appropriate adjuster located on
the back part of the crankcase.
Brakes overheating
BRAKES OVERHEATING
Possible Cause Operation
Rubber gaskets swollen or stuck Replace gaskets.
Compensation holes on the pump clogged Clean carefully and blast with compressed air
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.
Defective piston sliding Check calliper and replace any damaged part.
Vespa LX 125 - 150 4T Euro 3
Troubleshooting
TROUBL - 37