Suzuki 140 4 strokes
At 4000 rpm cruise is 30-32 mph while getting over 3 mpg. Top speed is around 46-48
mph.

Yamaha 115 4 strokes
At 4000 rpm cruise is 28-30 mph while getting 3.5 gph and burning 8.4 gph. Top speed
is around 43-45 mph.

Yamaha 150 HPDI
At 4000 rpm cruise is 35 mph while getting about 3 mpg. Top speed is around 50-52.

           * All data is from boats with t-tops, 1/2 fuel and 2 persons on board