My British Seagull starts up Ok at home in the tub, but not on the boat?
Answer, Hydrophobia.!! No not really. Bet you have the leg too far into the water. The correct level is just an inch or two up the exhaust leg. (Measured on the straight tube, 2″ max, from the bottom of it.) If too deeply immersed the gasses have difficulty in escaping as you pull, there are two little holes in the exhaust to help, (on most models), but if the water comes half way up, as it probably will when you go to the stern to start it, then you have problems. Shift weight forward in the boat, be delicate here if its your other half! There is a collar to lift the smaller 40 series engines up slightly: that might help. I have known some start the motor out of the water, and then lower the bracket. Bit extreme, but if it works. (and you can stand the noise!
