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  1. #1
    Join Date
    Oct 2012

    Default Circulation problems

    Hi, I intended to use my 92 Moomba on vacation next week so I figured the prudent thing to do would be to fire it up here at home. So I hooked up a water hose to the intake hose and when I turned on the water, nothing happened at first. Then the hose blew off. I started thinking of reasons why water wouldn't circulate through the engine and I started with the water pump. I took it off and inspected it and found nothing out of the ordinary. Next in line was the thermostat, so I took it out and replaced it. I can start the boat, and it seems to run just fine but as soon as I shut the engine off the pressure builds up and blows the hose off again. Shouldn't the water run through the engine even if it is not running? Any thoughts?

  2. #2
    Join Date
    Jun 2009
    South West Colorado

    Default Circulation problems

    Do you get water coming out of the exhaust flappers with the engine running? If so, you are good, I reckon. My engine does not allow the water through unless it is running. I think you are fine.
    '08 Mobius LSV- SOLD!
    2017 Mojo Pro

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