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Author Topic: 2011 S groans when accelerating  (Read 809 times)

Alan. Yes THAT Alan

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2011 S groans when accelerating
« on: June 02, 2022, 11:06:44 AM »
Does anybody else's Zero make this noise? What causes it?
During a hard acceleration, I twist the throttle, but the motorcycle only accelerates a little. I can hear (but mostly feel) a 'HUMMMMMM' noise/vibration coming from somewhere. I can't tell if it's coming from the motor or from the motor controller, or from something else.

 Anybody know what's doing this?
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