Join Date: Jul 2008
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Re: Yanmar Saildrive Corrosion
I have been in every marina on Lake Ontario and many of them have 40 year old shore power wiring.
Remember that when you plug into shore power you are plugging in to every one else problems. Sail drives and I/O's are the most susceptible to galvanic or stray current corrosion because of the several different metals in their construction.
A galvanic isolator is an inexpensive and easily installed piece of equipment that should be your first line of defence after switching to magnesium anodes.
the isolator effectively isolates you from bad shore power wiring and the wonky electrical systems of your neighbours.
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