Over time, any float level will creep up a little- - - -just enough to get the fuel in the float bowl slightly above the venturi. While the engine is running that's not a problem, but once it's stopped a little fuel will trickle into the intake and cause a temporary flooding condition. Thy lowering the float about 1/16" below the factory setting.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!