50 hp mercury has a tell-tale only when in gear

RickyRegs

Seaman Apprentice
Joined
Mar 6, 2011
Messages
32
I have a 1985 50 hp Mercury which has no tell-tale when idling but there is a tell-tale if it is in gear.

Any reason whey it would do this?

The lower unit is essentially corroded and frozen on, likely where the splines are connected into the power head. I don't think it is coming off any time soon.

Essentially - we are to replacement for this motor which i am not excited about currently. HOw worried should i be about the lack of a tell-tale while idling?

edit: note: after retightening the lower unit it has a tiny gap between the lower unit and the exhaust housing/midsection where water can seep out; which was not present before attempting to remove LU.. I have not dropped it in the water to see if there is any change.
 
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