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power loss

  1. Bike will not redline, Lumpy above 6k

    Duke Engine
    All, I previously posted on here looking for advice and looking for some more! My Duke 690 (2013) struggles with anything above 6k revs. Its like it just sort of gives up. It will slowly creep up but then can be very jerky, like I'm twisting the throttle sharply and sometimes engine breaks so...
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