My only intention was to inform my fellow Meteor riders how far you can ride after the trip "F" appears on the display.
The only problem with trying to determine that, is that when the "F" appears initially and starts recording distance, very shortly after appearing, it shuts off and resets to zero when it comes on again. This can go on for many miles as the bike's horizontal plane changes going up or down grades, or you take some curves in the road. Did your calculation begin at the first sign of the "F", or after it remained on constantly, despite whether you were going up or down hills, etc., as the fuel can slosh to the pump side of the tank in those moments.
I would think trying to inform everyone of a specific distance one can ride when the "F" first appears is not very reliable and could get some riders into trouble if they rely on it, as a rider living in flat lands, like the Canadian prairies, would probably see the "F" long before someone riding in hilly terrain. The prairies rider would end up getting fewer miles from the "F" than the other rider would.
I haven't bothered to watch how many times my "F" trip meter resets to zero before it stays on constantly, but when it is constant, it's time to top up the tank, especially if there is some distance between fuel stations.
I trust you noted axman's caution on overfilling the tank too. My manual describes this on pages 35 and 36 though. It seems there are manual differences between certain regions of the world.