Re: different way to change fuel/air mix?
I will add that the float adjustment is as touchy as many other things and a heavy hand will do more harm than good. With the "float method" you are adjusting the overall level tipped, not tipped, ect. This changes the atmospheric pressure in the float chamber and changes the amount of fuel dispresed through the given size jet.
I believe Mr. xlite has the best explanation as to why and how adjusting the overall float bowl level works....Mr. xlite