yamaha lower unit repair tavernier Fundamentals Explained
I would not be concerned a lot regarding the fin on the bottom, just seal it up so it isn't going to leak. Ironically I welded up a lower unit just two times ago. Dude strike a rock and punched a hole in the front of his unit, dug the chunks and debris out and welded it up with a little patch as he waited.Tilt the motor up to look for any oil leaks