Quote:
Originally Posted by J-Mech
Adjust it until it blows smoke on a quick rev, then back it off just a little. Rich is better than lean on an air cooled motor. Obviously, you don't want it so rich it carbons the combustion chamber with coal black soot... but it needs to be on the rich side.
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Thanks, that's what I want. It really runs great for 1 3/4 hours solid. Then acts like it's starving for fuel. I've been tweaking a new carburetor.