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Water in oil

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Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
Printed Date: May-05-2021 at 4:41pm

Topic: Water in oil
Posted By: Aj1253
Subject: Water in oil
Date Posted: April-07-2021 at 9:29pm
I have a 97 sport Nautique. I had it winterize and got all the water out of the lines I stored it in my garage the whole winter. Checked the oil this morning and it was milky like water got inside? Does this mean my engine is toast? What should I do? I drained the oil out of it this morning.

Posted By: Gary S
Date Posted: April-07-2021 at 9:55pm
Sorry to hear that. Have you run it after it was winterized? Did you have it winterized or did you do it?

-------------" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport

Posted By: MrMcD
Date Posted: April-08-2021 at 2:04am
When I bought my first Correct Craft Ski Nautique in 1982 the dealer told me to change the oil at the end of every season so the engine could sit with fresh oil in it over the winter months.  He said old oil has many contaminants in it that can be harmful.  I guess water is one of those issues.  Water continues to cause damage every day it is in there.

With that said, I am guilty, some years I put the boat away and don't change the oil till spring, not forgetting just getting busy with other things and neglecting to do my work on the boat.

Before panic sets in there are a couple ways water can get in your engine and some are pretty easy to repair.  The exhaust manifolds can leak and let water directly into your cylinders, we see that pretty often on this forum.   If it was winterized the water most likely is not from a freeze this year but what about past years?


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