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Cracked block or blown head gasket.

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Q: What causes water in motor oil in a boat motor?
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Can water get into the oil when sitting in a boat?

only if there is a serious engine problem. A boat motor is cooled by lake water instead of a radiator and coolant system. The lake water is pumped into the motor's cooling tubes and pumped out through the exhaust. The only way I can see that there would be water in the oil is if the motor has a blown head gasket or a cracked valve.


What causes water in oil in a Polaris 500?

you sunk it and it went in the motor you better flush it out with more oil before it rusts


What causes water in oil on a 2002 Chrysler sebring 2.7 liter motor?

Two likely causes are a failed water pump or a failed head gasket.


How does motor oil effcet water?

Motor oil is insoluble in water and it is denser in water. Therefore, motor oil will not mix with water. It will remain separate.


Which is more dense motor oil or gasoline?

Motor oil will float on water. That makes water denser.


What causes oil to mix with water in a TD42 Nissan Patrol motor?

Bad injector cups are a common cause of this.


Does motor oil float on petrol?

pertol,water and motor oil


What is the gas to oil for a Johnson 48 spl motor?

can someone tell me what the gas to oil mixture for a 48 spl Johnson boat motor is please


What causes water in motor oil of a 2001 Chevy Camero?

Blown head gasket - Warped or cracked head - cracked block.


What is all the reasons that your oil could be milky on an inboard outboard boat motor?

The boat does still go full throtle


What are the affects of motor oil in dirt what are the affects of motor oil in sand what are the affects of motor oil in potting soil?

the motor oil wears away and it hurts the environment. as doesconcrete; concrete does not soak up water as fast or as good grass, weeds, and other plants do. this is why we should have at lest somewhat of grass on our lawn and stop polluting; polluting causes the little holes that the city makes for water to flow down in to get stuffed up.


What happens if you put 10 30 motor oil in a car that takes 5 20 motor oil?

It can causes serious damage