I decided I wanted to post these diagrams that I color coded to show basically how to put the hoses back on a GL1200 carburetor. Mine is a 1986, and I found it easier to read when separated by system, and night also help isolate the secondary air supply.
I have rebuild the carbs, bike will start and run with the choke on, will rev to redline using the choke like a throttle. Can't get it to start or idle without choke, dies when I give it throttle. Now I'm seeing air bubble coming from the fuel pump to carb. Changed fuel pump, now seeing air...