I just bought a 1999 Aries 200XTE bad boat with a 98' Johnson and cannot get the speed I want but I know the jackplate is not high enough ... set around 4" below boat. The highest we have had the motor RPM is around 5500 at 50mph with 20psi water pressure. When going around 37mph the water pressure dropped off to 10 to 12psi at 4500 to 5000rpm . Does anyone have specs in this motor and what should the water pressure be and optimal RPM for this motor?
thanks,
shawn