Originally Posted by mutt2jeff
Mixed fuel isnt available at the stops, so you would have to carry all your oil for the day and mix it as your filled up, not terribly practical.
Good point, however at 1:60 mix ratio the amount of fuel for the day probably wouldn't be that huge? It certainly wouldn't weigh as much as the additional weight difference of the 4 Stroke Bike.
Is that the only reason then stopping the 2 Strokes from competing?