Re: FD-15 lower unit

[rjoynt]

Without being the past owners of the motor I can only guess what happened. I believe that the original o-ring wore the shaft to the point that it started leaking. Putting the two rings in top to top probably helped for awhile but ultimately made it worse. I put in two rings on top of each other and slowed down the leakage tremendously. I think I will go the course of regular gear lube changes and monitor it.
Thanks for all of your input!