Mine came with a Yamaha 17" pitch nut I have lower ratio gearcase 1.75. I thought 3.3 lt has 2.0 gears. 17" in my boat seems about right as I'm getting close to max RPM range. I'm going to try a different prop, I have Mercury Enertia, 17 and 18, I will try them both.
In my old boat I found the...