you put the slide in wrong and or your cable is crimped somewhere,there is a pin that the slide aligns with in carb throat
It only goes in one way, correct? There are two notches. One is the entire length of the slide and doesn't fit right. The other is larger but only about half of the length of the slide, which fits perfectly, but there's no pressure behind the thumb throttle whstsoever. If you remove the slide it works fine though..