You need to adjust the valves. Set the dwell and timing on a new set of points and then you can adjust the carbs.
Use .006" for the intake and .008 for the exhaust.
Each year and model Airhead has a different starting point for the idle mixture screw. Tell us what the numbers are on the side of the carbs. They should be 64/32/11 & 12
Never memorize something you can look up.