The fuel feed should go to the pipe nearest the air-cleaner, and go straight
through the body of the front carb to join up with the inlet to the rear
carb in the same axial location. The vent pipes are closer to the inlet
manifold, are in the same position on both carbs but on opposite sides, and
there is no joining pipe between them. If fuel is going into the front
carb, and coming out the rear carb overflow, then almost certainly the fuel
feed pipe is on the correct port and the rear carb float valve is faulty.
If the fuel feed was connected to the wrong port on the front carb then I'd
expect fuel to come out of the other port on the front carb before it came
out of the vent port on the rear carb.
PaulH.
----- Original Message -----
> So I'm having doubts that I've connected the fuel line correctly. If
> that tube on the rear carb really is a vent tube, I can't believe
> that much fuel is supposed to flow out of it.
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