I recently purchased a 1988 19 foot Bayliner Corbra. Used it 4 or 5 times this summer with some minor problems. Hard to get started, but once started no problems. Runs at about 5500 RPMs 38 - 40 MPH. 13 1/2 X 17 prop. I was going over the motor just to make sure all was in order. Re-built...