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  1. #1

    Unhappy ULTRA 300x gives a strange whistle

    Hello everyone,

    I have a problem with my new ultra 300x. During last few practices I have noticed a strange metallic whistle coming from my jet. It appears just for a second or even less, mostly on the corners, but on the last practice also noticed it on straight line. It sounds like a bad working bearing or strap, such a very high-pitch metallic whistle. The jet is pure stock and only 9 hours.

    Any ideas what could be wrong with my jet?

  2. #2
    nicjak's Avatar
    Join Date
    Mar 2008
    Warragul, Downunder
    check the pump as guys on here are advising who knows it may have shit a bearing. any noise should be dealt with asap and not left to develop.

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