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· Old Opeler
5,564 Posts
Low Pressure

Webers MUST have a fuel pressure in the 2 1/2 to 3 1/2 PSI range as anything above 5 psi will cause higher fuel bowl levels due to the float being overcome with the pressure and the fuel continuing to seep into the bowl past the seat.

If the needle is not being held open by debris of some sort or a lump of gasket etc. then check fuel pressure.
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