VESPA GT 200, Workshop Manual

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8.1.6 Starting Problems
Symptom Possible Cause Operation
Flat battery Check the battery charge level. If the
battery shows any sign of sulphation,
replace it with a new one
Carburetor dirty or fuel pump
faulty Remove, wash with solvent and dry
with compressed air, or replace
Spark plug faulty or spark
advance incorrect Replace the spark plug or check the
ignition circuit components
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
Engine flooded Open the throttle wide and try to
start the engine. If the engine does
not start, remove the spark plug, dry
it and, before replacing it, crank the
engine to expel the excess of fuel,
keeping the cap connected to the
spark plug and the latter to earth. If
the fuel has run out, refuel and then
start the engine
Incorrect valve seal or wrong
valve adjustment Inspect the head and/or set the
correct clearance
Starting speed too low or
starting system and motor
faulty
Check starter motor, starting system
and torque limiter
Starting
problems
Altered fuel characteristics Drain worn fuel and refuel