Here is a web archive link a of website that was started by Art S and Jim M. Most of the links work. The website is down but the web archive information is still available.

https://web.archive.org/web/20160421033 … ds.org:80/

https://web.archive.org/web/20160417045 … ential.htm

Looks like you got a 1951 to 1952 5hp Elgin with a neutral shift. Great little motor!

Club member Jim Moffat is the guy to talk to about this motor.

Cheers,

Cajun