I own a 1999 21 ft robalo CC, I am considering repowering with a new 150 HP four stroke Mercury, Boats dry weight is approx 2400 lbs, has anyone had any personal experience with a similar scenario? or at least with this particular motor.
Hello all, I have a 1999 200hp mercury EFI that intermittently loses power. Idle is usually rough but motor never kills, first run of the day is usually good, boat gets on step and will run fine all day if I stay on step. Once off step and idle around, rough idle gets worse and then RPMs will...