When I was in Okinawa and my bike was in a state of "semi-derestriction but otherwise stock" condition, I was pulling about 300km before I hit reserve. That was basically with the airbox opened, rejetted carbs, JHA pipes, and stock keycard. And most of those miles were travelling over 100kmh.
_________________
Paul Herr
'88 FZR4/GSXR/YZF Frankenbike
MY BIKE PICS