First off, thanks for everyone's help!
I pulled each bowl off and sprayed out the main jet and pilot jet with Gumout and compressed air. Also did the holes on the emulsion tubes. Everything looked clean but 2 of the pilot jet orifices MAY have been partially blocked. I also sprayed Gumout into all the ports in the venturi bores. Did I miss anything?
Is there a special tool available for those D screws? I tried needlenose and tweezers. I can get them to move, but it's gouging up the brass a little.
I pulled one plug and it didn't look too bad. I'll probably just replace them while I'm in there. They were barely even torqued in. Just a slight nudge with a small wrench popped 'em out. Is that all the torque they need?
Sorry for all the Qs- this is my first time tearing into this bike. I must say it was much easier getting to the carbs on my 750 Nighthawk!