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8HP Cooling problem

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  • 8HP Cooling problem

    I Have an 8 HP long Shaft 2 stroke.
    Initial startup is fast and constant .
    Water pressure at telltale is consistent then dwindles to a dribble, finally ceasing to exist but for steam/air escaping.
    I have replaced impeller, checked housing and bottom plate.
    Head cover plate has been removed and thermostat is clear.

    Any clues on where to check next would be appreciated.

    Thanks

    PS - I have just read labougie 's post - alas it sounds like the same problem. So any further suggestions anyone ? Cheers .
    Last edited by dingoboats; 08-17-2015, 01:47 AM.
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