The air mix screws can be easily adjusted at any time. While oyu have the carbs out, that is a good time to simply locate them, and maybe adjust them BOTH to the same spot as a starting point. You can tweak them later. Balancing the carbs is a good idea anytime to make a change, and something to do a couple times a year anyway. I have a tuner, so if you want to ride out to the island sometime, we can get you ballanced up in about 5 minutes.
