(03-12-15, 03:54 PM)limax2 link Wrote: The problem of one being way too much vacuum could be caused by a leaking diaphragm as that would stop the slide lifting. Easily checked by removing the top cover held by two screws. Also check that the slide is moving freely. You could swap the diaphragm and slide from your old carb or from one of the other spare spare carbs.
+1 for a vac leak!
Treat everything in life the way a dog would- if you can't eat it or foc it, forget it.