Re: 1950 Speeditwin Carburetor Leaking Fuel

[david-bartlett]

quote George Emmanuel:

Somethings not right. The video doesn’t show the complete engine but I think I caught a glimpse of the mag handle and it looks quite advanced. For that engine to idle that slow the mag should be in a retarded position especially in light of the no-load in the barrel.

Maybe I’m wrong on this and someone else will chime in. I also want to check mine and see where the carb lever position is.

George

I agree! The throttle stop looks in the approximate correct position, but the throttle lever seems to be advanced too far for the speed the engine is running at. It should really be turning up at that position.

You mentioned the low speed needle was 1 & 1/2 turns out. What I read says it should be 1/2 turn out. It seems to be getting too much fuel from the low speed side of the carb when running, and not enough from the high speed side.