Those are decent little bikes, and well worth some time and attention. They have a few features that I appreciate, like a round headlight and wide saddle. Please show us a close-up pic of the motor.
Most of the folks around here have already predicted that I would recommend a new Mikuni carb, instead of resurrecting the stock carbs. A new Mikuni is cheap to your door, and replacement jets are easy to find.
I'm gonna need to hear more about your A body! Please start a thread on it in our
Off-Topic/General Discussion forum.