Originally Posted by lilrobo
I dont have a can mine runs stright from carb to dizzy, i sucked on the line at the carb and nothing happen, i did check the line unhooked totaly and it was good sounds like the diaphragm is bad?
I need to clarify. The can I was talking about is the vacuum advance unit itself:
The vacuum advance unit should hold a vacuum and the arm should move when vacuum is applied. If it holds a vacuum but the arm doesn't retract the linkage could be binding.