This is caused by electrolysis. To reduce weight and maximize noise reduction, we use aluminum for this piece and, if electrolysis occurs in your boat, the first place it will show is the softest metal, which is typically aluminum.
If you notice this on your Eliminator, take your boat to your local dealership immediately for assistance. We will not replace eliminator prop nuts that have been damaged due to electrolysis.
I will be using my 80 Riptide Ulterra exclusively in saltwater. Will there be a problem with electrolysis. If so, how can I eliminate this?
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