year model merc 650?

[gain11]

I have a mercury 650 with thunderbolt ignition?? It is a 3 cyl w/ power trim I think. I found it in my granpa's garage after he passed? The serial# is 4043710 but I can't see a model #. Any help? THANKS!

 

[andrewkafp]

Re: year model merc 650?

Late 1974<br /> http://www.marineparts.com/partspages/techhelp/TECH15.HTM