Modern Vespa

I have a GT with appx 800 mi on it. About 2 weeks ago I road up a steep road that went up the side of a mountain (with 2 people) She kicked butt. when i got to the top I stalled out. I managedt to restart and went to my dealer. after some time he drained the line thinking maybe water got into the vaccume. It has been running fine. This weekend I stopped turn it off after riding maybe for 20 mn and I had a hard time starting and when I did it was stalling out at every intersection and stop. I had it stall another time. Now i put Carb cleaner fule treatment and filled the tank and so far is running ok. I have heard over filling causes problems but my tank was on about 1/2 full. Whats going on?

You may need to adjust the idle screw. I have had to do so on mine.

Every now and again I will adjust it.


Also remove the EVAP hose: ET/GT/LX: Hard Starting, Rough Idle, or Stalling

Thanks. I'm wondering on that link it says you can detatch evaperation hose permenetly. If this is the case why is it needed?

It is part of the emissions system, and has proven to a real problem.

You don't need it.

It usually is a problem, if you have over filled the tank, which I have done.

By the way, here is the idle adjust:

Thanks for your help.