John Schell
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Hi, we are looking at a 24 ft slx (2016) with a 150 hp mercury. The speedometer and a GPS speedometer on the smart phone agreed that at full speed it was going 20 MPH. There were four average sized adults on board. Does this seem about right? My internet searches say a 150 should push a pontoon between 30-40 MPH. If that is correct, what might be contributing to the difference? Thank you in advance for helping us out.