2008 Triumph Triumph Bonneville Logo
Anonymous
Anonymous Posted on Mar 10, 2011
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Hi, I have had my 2009 Bonneville T100 for 2 weeks now (bought 2nd hand with 2800km on clock). A couple of days ago, when I turned on the ignition, a high pitched 'scream' came from the somewhere in the engine (I'm not mechanically inclined in any way). It lasts for only 1-2 seconds and only occurs when started from cold. Note, this is not the normal 'whirr' you get when the ignition is turned on. The bike starts and runs perfectly. Should I be concerned with this new noise??

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  • Posted on Mar 10, 2011
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Hi,
It sounds like the fuel pump priming cycle which is normal.

Does it sound like this:
http://www.youtube.com/watch?v=G0alEueihx0

Testimonial: "Thank you."

  • 1 more comment 
  • Anonymous Mar 10, 2011

    Thanks but no. The 'scream' occurs right at the begining of the normal priming cycle (and finishes before the end of the cycle). cheers.

  • Anonymous Mar 10, 2011

    OK, then it might be the fuel pressure regulator. You should have it checked!

  • ddcot
    ddcot May 09, 2014

    I have the exact same issue with my 2012 T100. Did you ever find what the issue was?

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