VESPA GTV 250 i.e. 2008 Service Station Manual page 166

Injection
Remove the injector connector.
Remove the 3 collector fixing screws on the big
end and the throttle body fixing clamp on the col-
lector.
Remove the MIU control unit connector.
Remove the clip fixing the throttle body to the air
intake sleeve.
INJEC - 166
Vespa GTV 250 i.e.