A pair of Yamaha 150 but you are back to the fuel thing
We have a single 250 f/stroke and in the real world it will do a 1&1/2 liters a mile at 35 knots 49 knots flat out that figuer is by filling the tank to the brim and divding the miles from the gps when we have refilled with a 23 inch S/S prop. I am just not a Verado man heavy engine heavy on fuel.
E.tec people tend to forget that at full tilt your using 1 lt of 2 stroke oil an hour. And i dont care what every body says when you want to sell them the Yamahas are always worth more second hand.