your motor is an evenrude 1957<br />here is a link you can see it someone must have changed the cowling<br /> http://mitglied.lycos.de/old_omc/e_1957/evin_1957.html <br /><br />18 E-11, FD-11, FDL-11, FDE-11, FDEL-11 <br />the first set is for johnson and the second set is for evenrude same year and hp<br /><br />15020, 15021, 15922, 15923 22.0 cu.in. = 360.5 ccm