VESPA LX 150 4T Euro 3 Service Station Manual page 129

Vespa LX 125 - 150 4T Euro 3
Engine
After having removed the cable harness protec-
tion, remove the connector as indicated in the
photograph
Check the solenoid resistance inside the valve
with a multimeter.
Electric characteristic
Solenoid resistance
35.5 ÷ 40.5 mm at 20°C
Apply 12V DC to the connector ends as indicated
in the photograph. Check that the solenoid valve
opens.
Check that air intake pipe, on the carburettor
shown in the photograph, is not blocked.
ENG - 129