did you forget a vacuum tube? is the carb bolted or screwed down to the
manifold ?


Newf wrote:

I Have a 12Hp B&S engine on my lawn Tractor. The carb was just
refurbished and put back on. The engine is surging and blue flames are
coming out of the exhaust. Any ideas as to how to fix the problem?
Maybe some sort of carb adjustment.

Leo