Motor whine

W‍hen the motor is engaged, it behaves perfectly normally with regard to its performance, but it may be accompanied by a high pitched whine or "screech".

Whining sounds come from windings and it is called magnetostriction. It is caused by the effect of alternating magnetic field (produced by the alternating electric currents) on the iron laminates of the core of (typically) the stator. The alternative magnetic field makes the laminates to have a slight vibration or “pulse”, which is then heard as a whine. This is normal for most high power AC motors and the same noise is best heard on a big transformers as there are no mechanical or aerodynamic noises.

If Your motorcycle is under warranty, please register it on our website, if You have not already done so:
https://www.kuberg.com/en/bike-registration

If the problem persists, please contact Your dealer or KUBERG customer service (support@kuberg.com). For the fastest possible resolution please send:

VIN of Your motorcycle (it is stamped on the right side of the steering column).
Detailed information on actions taken so far, a few photos and preferably a video.

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Motor whine

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