Your 7.5 is a 1972
The serial number is 3376028 , no model # that I can find it's a 7.5 hp.
Your 7.5 is a 1972
"Hello, My name is Bill, and I'm a tackleholic"
IL'm not doubting him are you just wanted to know for future , where is the site for that Thanks Rich
Here you go. Also responded to your PM.
Mercury Outboard Serial Number Guide from MarineEngine.com
"Hello, My name is Bill, and I'm a tackleholic"