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My engine overheated due to a ware pump failure. I have a 25hp etec. When U removed the lower unit I noticed milky oil and water in the exhaust housing. What would cause this. Should I be concerned."It is normal to have oil come
"It is normal to have oil come out of the exhaust in the center of the prop on a 2 stroke, especially if you idled for a while before shutting it down. It is NOT normal for oil to come out of the gap between the prop and the gearbox; this indicates the failure of one or more seals in the gearcase.
It is a good idea to post the year and hp of the motor when asking a question here."