Where do I find the serial #

[JohnnyB]

I recently purchased an old b

I recently purchased an old boat with a 65 horse Evanrude triumph 3 cylinder. I want to buy a manual but cannot figure out the year or model/serial numbers. Can someone please tell me where to look.I would appreciate any help from the experts. I believe it to be a 1972 or 73 based on what I have found so far. Thanks

 

[willard]

It should be on the transom m

It should be on the transom mounting bracket.
or on the motor on a small silver welsh plug