HI TJS,I don't have a boat my self but have a freind that owns one and I have turned a few wrenches on it,After scattering valves/bending push rods (ETC) we put MSD ignition with REV-limiter on it seem to help out when boat gets to much air and engine free revs befor you get off throttle.are you going to tube be hind it I like to put the jet down and blast riders off the tube when thay have been on it to long.