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Old 05-07-2009, 03:37 PM   #1
Join Date: May 2009
Posts: 2
Default 7.4l hydrolock/Poor winterization? 2000 maxum 2800 7.4l

On my first run this season my exhaust manifold failed and my motor went to pot.The boat ran for about an hour before the manifold failed and delivered water to cyl#2.
I had the boat winterized by a facility I never used before.Is there a possibility it wasnt winterized properly? The boat has less than 200 hours!

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Old 05-07-2009, 04:47 PM   #2

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Join Date: Nov 2005
Location: Everett Wa
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Default Re: 7.4l hydrolock/Poor winterization? 2000 maxum 2800 7.4l

that's really hard to point too....could be a failed exhaust manifold gasket...flapper valve...cracked head...wouldn't know until someone got into the engine and checked out what failed.....

keep us informed ...

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