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  1. #1

    900 STX won't push pasat 5,400rpm

    Dewinterized, ran perfect first day.
    Next time out, engine warmed up, with throttle wide open, only gets to 5,400 rpms....won't go past.

    checked impeller, nothing blocking or wound up in there !

    Everything on ski is stock, except addition of manual choke for all three carbs.

    After reading through old posts, I don't see anything that would apply.

    Could this be something blocking a fuel line ?

    Any help on what else to check would be great !

    Thanks in advance.


  2. #2
    steve45's Avatar
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    Pull the spark plugs and look at them/change them first.

  3. #3
    Quote Originally Posted by steve45 View Post
    Pull the spark plugs and look at them/change them first.
    I will add it to the list of things to inspect.

    Thanks.

  4. #4
    steve45's Avatar
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    That should be first on your list!

  5. #5
    Great advice !!!!

    Turned out one of the plugs was barely sparking at all. Replace all three with new ones, and problem solved !!!

    Thanks....It's always good to check the basics first !

  6. #6
    On all my skis they get plugs and fuel filter before every season. Maybe you should do the same

  7. #7
    Glad you figured out the problem! I know on my old stx, I went through spark plugs like crazy!

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