From gsxr's album - an exhaust valve stem seal was incorrectly installed resulting in...



To be clear, this happened to gsxr!

Sixto
MB-less

That looks exactly like mine. I guess I will take valve cover off and take a look when I get time. Thanks.

You mean take off the valve cover and cam then obtain a special tool to release the valve spring. If you haven't been in there, it's nothing like a 617. Per gsxr, use only MB label valve stem seals - OM603 - oil leak from exhaust port with new head!

Sixto
MB-less

I have been in there, I have rebuilt my 84 190D 2.2 601. I have the tools.