For what it's worth, I originally started with a 140 Suzuki, top end ran about 42, and that was with a light load. However crusing speeds were more in the 28 to 34 mph range. As the need for speed grew, I graduated to what I am using now, a 225 Yamaha 0x66 and wot runs in the low 50's which in my opinion is not very practical, nor do I ever run that fast. I generally run about 3800 to 4200 rpm and get my 38 to 42 mph out of that but there is a lot more throttle left.....When I run offshore in any kind of seas, I am only running what I need to stay on top and trimmed, usually about 2800 to 3200 rpm and 28 to 30 mph... I hardly ever use the rest of the motor's power. Also, looking back on early pictures of my boat I observed that it now rides a lot lower in the stern and with a couple guys in the back the scuppers are under.........Rethinking and looking back I would probably go down to a 150 or a 175 where I think the torque and hp would help to keep on plane and manage any loads, but still keep the overall weight in the rear a little more manageable. I am not sure of the weight difference betweena a 150 and a 225, but it seems like the weight on the back is critical.........
Tommy
My2 cents
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