Mercury 120xp Installed Re man powerhead, Took to lake and engine filled with water.

decker07

Recruit
Joined
Jul 1, 2012
Messages
2
I have installed several powerheads and never ran into this problem. I thought my exhaust manifold could of been leaking so i replaced the gasket again. the only time the engine will fill with water is when it has been started. Anyone have any suggestions
 

hibbert6

Petty Officer 1st Class
Joined
Jul 15, 2006
Messages
323
Re: Mercury 120xp Installed Re man powerhead, Took to lake and engine filled with wat

Can you be more specific? Are you saying that the CYLINDERS are filling with water?
 

decker07

Recruit
Joined
Jul 1, 2012
Messages
2
Re: Mercury 120xp Installed Re man powerhead, Took to lake and engine filled with wat

Yes, I will start the engine and will run for about 20 seconds. The cylinders fill with water and lock up engine. remove spark plugs and clean it out.
 
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