1994 Seadoo XP Not Running Right
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  1. #1
    PWCToday Newbie
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    1994 Seadoo XP Not Running Right

    Hi guys!
    New here and to the world of pwc.
    I own a 94 Seadoo XP.

    I am having problems with my ski, upto half throttle is fine then from there to full throttle does not rev anymore. Stays below 5000rpm. And bogs/surges between 4 and 5k with throttle wide open. I think full throttle is meant to be 7000rpm??

    The previous owner said he had carbs rebuilt about 6 hours ago and was using premix of 32:1.

    First day I got the ski it was running well, then I was using 40:1 premix and since then has been running poorly.

    Could this be due to needing to still be 32:1 or clogged carbs?

    I have just purchased some fuel set, hopefully this will clean the fuel system.

    Should I strip/clean carbs and or rebuild?

    Any info would be much appreciated!

    TIA.

  2. #2
    PWCToday Newbie
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    Re: 1994 Seadoo XP Not Running Right

    Forgot to mention that I purchased a month ago and have taken it out 4 times since. I have also drained the fuel, replaced with new premix fuel and replaced the fouled spark plugs.

  3. #3
    PWCToday.com Is My Home Away From Home wmazz's Avatar
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    Re: 1994 Seadoo XP Not Running Right

    Was there any water inside the fuel filter bowl. Did you replace the o-ring?

    Does it smell like gasoline when you lift the seat off?

    What is the pop-off, what size are the seats, and which spring is inside
    the carb?


    Bill M.

    Perhaps the previous owner can help?
    Last edited by wmazz; 12-10-2018 at 09:09 PM.
    Horsepower == Speed, RPM != Speed



  4. #4
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    Re: 1994 Seadoo XP Not Running Right

    Hi Bill

    I have not looked at anything/replaced anything as I am not really sure where to start other thern drain fuel and change plugs.

    It did kind of smell like fuel when I lifted the seat off...

    Cheers

  5. #5
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: 1994 Seadoo XP Not Running Right

    Those fuel tanks are known for cracking at the necks...filler & fuel pickup neck.

    Fuel leak will cause running issues.

  6. #6
    PWCToday Newbie
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    Re: 1994 Seadoo XP Not Running Right

    When draining the fuel I didn't notice any cracks on the necks...
    Will have a closer look tonight.
    Thanks

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