Until you get to the tuner, you can try some of the map packs that Duken has compiled into one big zip file. There's a long thread on the other FZ1 forum.
FZ 1 Map Pack
I believe Ivan recommends a PCFC or PCV to go with his flash.
Vcyclenut can do a basic flash to remove restrictions or provide a new fuel map. I run David's basic flash which is a great value in itself, but I later added a PCFC so I can play with the fuelling...
Edit - realized you are...
With the PCFC, you can adjust the fuel mixture even in closed loop mode.
It's odd that it isn't mentioned in the on-line manual, but it is in the paper copy that was included with my PCFC. I wonder if it's an EPA thing?
I scanned the very last page of the paper PCFC manual, for info...
I have many of the same mods, but I have both a Spencer modded seat and a Corbin seat. I did ~680 kms on Saturday and wasn't sore at all, but I did sleep in the next morning. Well, 8am is sleeping in for us oldsters.
By FC, do you mean Fuel Cut Eliminator, or Fuel Controller? I recently...
I will try a rubber hose, because the first owner did not include the toolkit when I bought the bike.
I have to install AIS block off plates, new air filter, plugs, coolant and SS brakelines, so I will be removing the rad completely. I will also install my new radiator screen/cover...
Q...
As an alternate solution, you could get the basic flash from Vcyclenut so the fan comes on at 205F, correct your speedometer, remove any restrictions and smooth out the throttle 'snatch'...