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Water in cylinder

gcio

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I have a 1986 omc cobra with a

I have a 1986 omc cobra with a 305 chev. I have water in my oil and water in # 8 cylinder. the boat will start and run but then will die and hydro lock I pulled a spark plugs and had water in # 8 any info is appreciated
 
failed exhaust manifold or exh

failed exhaust manifold or exhaust riser most likely cause of water in rear cylinder on one side. If they are 22 year old manifolds it's a pretty safe bet they are history.
 
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