Well, kinda good news.
Heard the bike run for the first time about 5 minutes ago. It'll kinda idle with the choke on, wont really respond to throttle, and will stumble and die with choke off. Gas tank is pretty empty, so I'm gonna go buy a gallon or so just to check that isn't it. Also am going to play around with the idle adjust screw, since it seemed to help a bit. Anyone care to send me a pic of what the different petcock positions are? My fairings were painted over and didn't have them, so I'm kinda guessing here.
Side note, started designing a bracket setup so I can use a chopped CB400 Rear Fender as a fairing of sorts.
Any ideas on the running issue? Sound like fuel? Tested for spark and am getting it strong on all 4, and just charged the battery. Unless my rings just disappeared over the past month and a half, I think the compression end of my engine should be fine, unless it was on its last leg before. God I hope I don't have to tear in to this engine.