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  1. #1

    Engine compartment full of water

    I have a 08 250X. Was out riding yesterday when the ski became sluggish and wouldn't rev over 3-4k rpm. Pulled over to the shore to check the pump wasnt blocked and noticed the engine compartment was full of water. Drained as much water as i could, and (thinking it was the bilge pump) undone the rear drain plugs and took it for a ride to drain the rest. As i was riding, more water was coming into the engine compartment. Any one think they know what this might be and how to fix it, and any other problems that might come from having the engine compartment full of water


  2. #2
    CrazyCooter's Avatar
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    Mine was a loose hose clamp at the rear of the engine right under the crank snout. Couldn't find it unless I rode it hard without the seat on.

  3. #3

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    Yep, I had a clamp break on 1 of the circulation pump hoses at the rear of ski and almost sunk my ski...It got so bad a tow truck had to lift the ski out of water...keep looking you will find it

  4. #4
    Offshore Aussie's Avatar
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    common problem, happened to mate twice, lucky i had tow rope. Check your hoses are properly fitted, may mean removing intercooler to do it completely. then invest in auto electric bilge pump with telltail. No lasting other issues were experienced because of it, once it was properly flushed out.

  5. #5
    Moderator DrewNJ's Avatar
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    Drain all the water out first. Then put the ski in the water and let it float. Look for leaks with nothing running and just the ski floating.
    If you don't see any water hop on the ski with the seat off, start it up and idle around.....look for water.
    If still nothing, take it for a smooth cruise somewhere where you can look into the hull while your riding at a bit of speed. Look for water.
    Take your time and be patient, you'll find it.

  6. #6
    Thanks guys for your help. Pulled it apart and found that one 20mm hose had come off inside at the rear. Once again, thanks for your help.

  7. #7
    Kevan's Avatar
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    This happened to my 08 250. There is a hose and clamp you can't see. From behind ski facing forward on the left side of engine block upfront there is a hose and fitting that needs to be tightened periodically. My clamp got rusted and broke because of the salt water from fl salt waters. from front of engine reach around block and you can feel the hose and clamp with fingers. It is a cooling hose that goes back of the engine under neath the supercharger.

  8. #8
    nicjak's Avatar
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    you mean this one, in my shop at the moment and it is broken also, due to lack of good after ride maintenance.
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  9. #9
    Quote Originally Posted by nicjak View Post
    you mean this one, in my shop at the moment and it is broken also, due to lack of good after ride maintenance.
    Looks like a few rusty bolts here and there too. Yes, some room for improvement in this area. But your cooling jackets in your cylinders look pretty good so you are flushing the engine after riding I am assuming.

  10. #10
    nicjak's Avatar
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    john the ski is not mine, i would not let my ski get this way, customer tried to remove spark plugs and broke two then rang me for help. it then took me 45min to remove one plug working it back and fourth mm by mm, then broke the fourth so off with the head as no way the plugs were coming out easy. everything is rusted and i mean everything, s/c, s/c pulleys, all engine bolts, broken hose clamp as mentioned from rust, all exhaust manifolds swollen from salt, head swollen from salt, valves rusted, plugs still rusted in and wont budge, taken head to specialist to remove threads and helicoil. actually had salt growing all around exhaust manifold inside and out. this ski he tells me was flushed and looked after in a way he thought was ok. he was advised on the plug issue and to remove the belt cover some time ago but thought otherwise. needs alot of tlc from now on. took lots of pics i will post in due time.

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