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Keep in mind that the "mixture screw" is an air screw. The fuel is metered by the pilot jet (non-Premier=hidden in the pilot circuit, Premier = removable opposite the air screw). I have never had an air screw out more than 1-1/2 turns - they usually end up between 1-1/4 and 1-1/2 turns out. Makes me wonder if someone "cleaned" the pilot jet using a drill bit and made it too big.


Throttle:

0-1/8 Pilot Circuit

1/8-1/4 Slide cutaway - yours is correct

1/4-3/4 Needle position and possibly needle jet - if you have a 106 it is correct

2.4-WOT Main Jet


I think you said that the fuel level in the bowls is correct - if not, it's important to get it correct and most importantly the same in both bowls.


If you only have a problem at 0-1/8 throttle, then it's the pilot circuit. There is very little overlap - almost like four carbs in one.


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