Re: Evinrude fleetwin propeller help needed Home › Forum › Ask A Member › Evinrude fleetwin propeller help needed › Re: Evinrude fleetwin propeller help needed fleetwinUS Member - 2 YearsReplies: 4737Topics: 46 October 14, 2018 at 3:50 pm #84407 Yeah, I think there was some sort of change in the prop/gearcase design in 1956, wish I knew exactly what those changes are…