Hello everyone,<br /><br />I am the new owner of a 05, 17' Carolina Skiff with a 2004 Yahama 70 2 stroke installed. The Tach will not read over 3100 RPMs at WOT and am cruising about 32 MPH according to my GPS.. The carbs are fully opening, and it has a 13-1/2 x 14 pitch prop installed. The...