Mercruiser 4.3 L Oil Leak

In 2007 I bought a bayliner 192 cuddy with a mercruiser 4.3 Liter and it has a stuburn leak that mechanic could not find. It seems to be coming from the back but he has no ideas. I am taking it out for a good rip in a couple of days to look further myself because that is the only way to do things these days. Every man for themselves!
Does anyone else have this engine?
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How did the oil leak in your Merc 4.3 L turn out?
I don't have merc, but I think my buddy has the same boat and engine as you. How did your rip turn out did you find anymore leaks?
Albert I didn't find any more
Albert I didn't find any more leaks. It's good as new now.
The engine is finally broken in after my 3rd summer with it.
Have you been on your buddies boat? Boat moves pretty good eh?
- Steve