VESPA GT 200, Руководство по ремонту

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8 Troubleshooting
This section provides troubleshooting guidance. All faults are provided with a list of possible
causes and remedies.
8.1 Engine
8.1.1 Poor Performance
Symptom Possible Cause Operation
Carburetor dirty. Fuel pump or
one-way valve faulty Remove, wash with solvent and dry
with compressed air, or replace
Timing failure or timing system
parts worn Reset timing phase or replace any
worn parts
Exhaust blocked Replace
Air filter clogged or dirty Remove the sponge, wash it in water
and shampoo, and then soak it in a
50% mixture of fuel and oil
(recommended: Selenia Air Filter
Oil). Squeeze the sponge without
twisting, allow it to drip and then
replace it
Automatic choke failure Check the mechanical sliding and the
electrical connection and ensure that
power
is supplied. Replace if
necessary
Clutch slipping Check and if necessary replace the
clutch assembly and/or the clutch
drum housing
Automatic transmission faulty Check correct pulley sliding and
rollers.
Replace any faulty
components and lubricate the
movable driven pulley guide with
Montblanc Molybdenum Grease
Worn driving belt Replace
Low compression: piston rings,
cylinder, valves and valve seats
worn Replace any worn parts
Poor
performance
Engine oil level exceeding MAX
mark Find out the cause and adjust the oil
level