RPMs for Volvo Penta 3.0l

I have install a new prop an th engine rpms runs much higher at 25 MPH. With my old prop it 4600 rpm was about 40 MPH. Am I right in thinking I have the wrong prop on my boat.I have 14.3 x 21 on now the old prop was 45/p 21 mercury. Confused,

Click here to post comments

Join in and write your own page! It's easy to do. How? Simply click here to return to FISHING and BOATS FORUM.