I was on the lake last week and had to motorsail about 3 miles against a 10-15kt headwind. I ran the engine (5hp Tohatsu) near full throttle until I got to the point where I could kill it and start sailing. After sailing for about three hours, I decided to restart the engine for the last 1/2 mile or so back to the dock. It ran for about 10 min. and then died. When I checked, it was out of fuel even though I had filled the tank before I left the dock. Forty minutes on a tank of fuel seems awful thirsty. Is this normal for the Tohatsu, or is it time for me to trade it in for a Honda? Will an external tank help? Thanks in advance.Peter Suah "Raven"