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Makes And Models => Zero Motorcycles Forum | 2012 and older => Topic started by: Alan. Yes THAT Alan on June 02, 2022, 11:06:44 AM

Title: 2011 S groans when accelerating
Post by: Alan. Yes THAT Alan 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?