I tried the 2-HP Evinrude this past Saturday and it ran well, very well. Problem is, like many, I want and need more power and speed. At WOT, with me (170-lbs), my son (25 lbs) and my brother (255 lbs), the boat cruised at around 4-5 MPH no problem, maybe 6 MPH at WOT with no one else in the...