for my enlightenment, what kind of carb is this and what kind of motor is it. Most 2-cycle kart engines won’t idle. And if you set the carb to idle, more than likely you’re running too rich to run on the track. Way back, I did use a piece of a match book cover under the butterfly stop to keep the plate partially open and the engine idling. On the first blip of the throttle, the match book cover was gone.
LAD Specialties customer / tony kart / rotax / kt100