Help identifying a motor

[Codeblu]

Need some help identifying an outboard guys. The transom bracket sticker is missing and the cowl isn’t original. Here are some pictures including the freeze plug serial number. Any help is greatly appreciated

 

[F_R]

1978 Evinrude 140 hp.

 

[jimmbo]

That Decal at the Bottom of the Exhaust housing is the Conformation

 

[Codeblu]

Want to know something funny. I called BRP and they told me it was a 2007 300 hp. I was like there ain’t no way . Thank you guys!