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My night hawk has a chattering sound when u start it up and let it run what would that be

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Does it go away when you pull the clutch in ? if not does it sound like upper end valve area

Posted on Apr 21, 2015

  • 3 more comments 
  • Gary Clark
    Gary Clark Apr 21, 2015

    Ya but the chattering sound gets louder and I don't want to mess it up I was driving it when it losted power and staled out on me and then it will start but majes that sound what would u do to fix it ?

  • Gary Clark
    Gary Clark Apr 21, 2015

    Ya but the chattering sound gets louder and I don't want to mess it up I was driving it when it losted power and staled out on me and then it will start but majes that sound what would u do to fix it ?

  • Gary Clark
    Gary Clark Apr 21, 2015

    And yes upper end sound

  • Jason Larocque
    Jason Larocque Apr 22, 2015

    sounds like it needs a valve adjustment

  • Jason Larocque
    Jason Larocque Apr 22, 2015

    valves not opening completely and yes would recommend fixing before running it more

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Place a 3 foot 1/4 inch brass rod against the flap at the opening of your ear and push until it closes. Place the other end of the rod against various engine components and listen. The noisy problem will conduct the noise up the rod to your ear and you can hear quite precisely where the problem is. Much safer than laying your ear all over a running engine.

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