VESPA GT 200, Руководство по ремонту

Страница: 78 / 287

78
8.1.2 Rear Wheel Spins at Idle
Symptom Possible Cause Operation
Idle speed too high Adjust the engine idle speed and, if
necessary, the CO concentration
Rear wheel spins
at idle
Faulty clutch Check clutch springs/weights
8.1.3 Rich Mixture
Symptom Possible Cause Operation
Calibrated air holes on
carburetor clogged or
obstructed
Remove, wash in solvent and dry
with compressed air.
Float valve faulty Check the proper sliding of the float
and the operation of the valve.
Level in float bowl too high Restore the level in the float chamber
by bending the fuel inlet needle
thrust blade on the float so that the
float is parallel to the chamber
surface when the carburetor is in an
upside-down position.
Automatic choke remains
activated
Check the correct sliding of the
mechanical component and the
electrical connection and ensure that
power is supplied. If necessary
replace.
Rich mixture
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.