help identify my motor

[new_guy38]

i believe its a 1958 johnson sea horse will post pics when i get some can any one help me find like markings or something like a plaque or something

 

[Willyclay]

Re: help identify my motor

Should be an engraved metal plate on the transom bracket and an engraved U.S. quarter-sized aluminum disk on the top, rear of the powerhead. Johnsons' had alpha-numeric model codes back then like RD-20. Post what you can find and pictures are always great. Good luck!