Kaw fh580v smokes black and surges-hunts

Reread your post entirely. There are a few things you might try.

Delete the new carb from your thoughts. Any carb, new or old, will require testing. Any new part will require testing.
 
pop off with pressure tester is 6 lbs , carb upside down in my hands . What else can you test for beside the float floating ?
 
So latest thing ordered 100 and 98 jets from Kawasaki and installed the 98 and still runs rich and hunts with no air filter stuff on it . Got a good set of coils for it and installed them right side up cause Kawi has rotation marked on thier coils , left the kill wires off so it sparks all the time and still runs rich and hunts . Set up like this and turn the key off and the fuel shut off solenoid closes and it runs way better , still not perfect but way better .
 
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