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whistle

  1. There's a little birdie in my Wee!

    DL650 and DL650A - 2004 to 2011
    I recently removed my loud slip-on pipe and went back to the stock pipe (well almost stock, just gutted) on my 07 DL650. Since then I've noticed a constant chirping or whistle coming under the bike when riding, but ONLY while accelerating. When I pull in the the clutch or rev the engine in...
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