Is my lower unit oil "milky?"

paul40269

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May 21, 2009
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Drained my lower unit oil in my dt150 outboard. Would the fluid in the picture be considered "milky" and a sign of water intrusion?
 

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tpenfield

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Re: Is my lower unit oil "milky?"

Yes . . . I assume it did not look that way going in?
 

paul40269

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May 21, 2009
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Re: Is my lower unit oil "milky?"

Thanks, truth hurts. I was in denial. Just bought the boat.
 

robert graham

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Apr 16, 2009
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Re: Is my lower unit oil "milky?"

Put fresh lower unit oil in there and then check it often to try and get an idea of the extent of any leaks or contamination.....since you just bought the boat, there's not much was of knowing when/if that fluid has been changed.....it may just be old/cloudy.....
 

99yam40

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Sep 7, 2008
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Re: Is my lower unit oil "milky?"

is that a white Yamaha or Suzuki?

I would pressure test the lower unit to find the seal that is leaking
 

paul40269

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May 21, 2009
Messages
13
Re: Is my lower unit oil "milky?"

It's a white Suzuki. Will have to wait til spring to really test it. Just changed both drain plugs and gaskets which seemed pretty old, so maybe there is a shot in hell that it was seeping in through there. Will take all your suggestions into consideration.
 

robert graham

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Re: Is my lower unit oil "milky?"

You may want to remove your prop and inspect prop shaft for possible monofilament fishing line wrapped around it and under the seal causing seal leakage and/or damage....
 
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