Hi all,

I have a 72 250 M130 US with the original Zenith INAT 32/40 carburetors. The Haynes manual states that the gap of the idle stop screws is supposed to be 2.3mm and stop at the float house venting valve.

On Jaime Coplands site, it states that venting valves where for pre 72 vehicles, but does not state how to preset the carbs.

on a just rebuilt carb, what is the preload needed for the idle stop and adle adjuster nut? on a BMW site http://www.cscoupe.org/tech/zeniths/bmw1/bmw1.html#004 it states to set the initial idle adjuster to 50.8 mm. I guess it should be just touching at that setting? is that correct or is there something different for the benzes.

Also, is the linkage supposed to be installed with the anti-stall device backed off? I would immagince so, otherwise the rear carb would not be synced. Is that correct?

Thank you all for you help.

George