Wow [FLUSHED FACE]
Sorry you are having all that trouble...
With carbs I've learn the hard way that is best to step back take deep breath/have a beer or glass of wine and get back to it later on :)
Have you synchronized the carbs ?
If you haven it might be that with all the tinkering they have come off synch quite a bit.
Although I doubt that's all.
It seems you have an idea of what you are doing but just to double check make sure that those carbs are REALLY clean..take them apart use some carb cleaner and pressurized air and make sure all ports are good and clean.
If they are over flooding check the floaters settings.
Here is a great source of everything vstar put together my Mick.
Also, what year is your bike ?