John,<br /><br />according to this site<br /><br /> http://www.marinshopen.se/guide/omc/evin4.htm <br /><br />Your motor is a 1941-1946 3.3 hp.<br /><br />post this under the outboard engine forum and you'll get more replies.<br /><br />TRP251
For parts and information on this motor try Matertech Marine at http://www.maxrules.com/ <br /><br />He specializes in older outboards, collects them and provides on-line advice and parts.<br /><br />Good Luck
for it