Stop in for a cup of coffee

Working on the sled and got it running great now that it has new points and condensers, but it keeps fouling the clutch side plug. Seems to be getting to much fuel, both plugs are black, but the mag side stays running. Of course this isnt the stock carb so trying to tune something that was just thrown on the machine could be interesting.. Got some good vintage sled pages I've been using so I'll get it figured out eventually
Same side as fuel pump impulse line? Fuel pump diaphragms rupture and leak.
Type of choke? Mikuni?