I don't have a book to check the settings against.
http://www.kohler-engine-parts.opeengin ... P-2379.pdf
Kohler service manual. Large section on servicing carburetors.
Pour 1/4 of a container of fuel system conditioner in the gas tank. See what happens. Might work - might not.One thing I do recall is that the needle and seat kept sticking closed. Both the old set and the new set did that.