92 Force 90HP - Black grease / oil line on transom???

Neeko

Cadet
Joined
May 14, 2007
Messages
9
After a full day of boating yesterday I noticed a 4 inch black grease / oil line across the entire back of the boat. This black grease line is at water level. Does anyone know what has caused this or, where I should start to look for a problem?

I recently had work done on the trim cylinder and I'm wondering if grease is leaking from the trim cylinder / pump.

Any help would be greatly appreciated.

Thanks Neeko.
 
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