I'm with Joe, I've opted to go single on both my CD's. As I don't fish I don't need a kicker. Folks have asked me about this issue what happens if it quits. I am a recreational pilot and all those cessna's and pipers are single engine, no kicker. We're trained to plunk the sucker down in a field or highway so we can walk away. In a boat it will just get quiet, no worries. I always carry my pillow and blanky and lots of food and water. In twin airplanes it's usually the second engine that carries the aircraft to it's ultimate crash site. Having crossed oceans in vessels with just one engine and some sail perhaps I'm not worried about it. In my business in marine sales I've seen it where folks buy enough stuff to handle their own level of security issues. One guy needed 2 liferafts aboard his sailboat for the jump from Port Hardy to Calvert Island a distance of maybe 60 miles. Modern FI outboards are very reliable when serviced and I enjoy the lack of complexity with just one back there. I think if I were to fit twins, I'd want totally seperate battery and fuel systems for true redundancy. I've seen summer issues with customers where one engine failed (generally io's) and dropped the other engine as it was a fuel or electrical issue in the first place that caused one engine to fail and minutes later the second. Having totally seperate systems in these little boats would seem overkill, hence one simple setup for me. Crikey I'm chatty for a Monday morning. Have fun out there George