I test drove a 2017 SW Premium 255SB last night (same basic boat as the 240SB of years past). It was a 2 tuber with the Merc 4 stroke 150hp engine on it. My issue was with speed and RPM. The boat only did 27 mph with 3 adults on board and only hit right at 5000 rpm. This RPM seems really low considering the redline is 5800…