Quote:
Originally Posted by Sergio
I think it is a speed sensor issue, the controller will drastically cut the Armature current if the pulses stop and resume as soon as they start, that will cause a bucking sensation.
I would inspect the integrity of the magnet behind the sensor and make sure the connections are clean and tight.
If the problem continues I would replace the speed sensor.
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good guess, I know they do that on my car. Theres a way to test them on a car, measuring with a multimeter while spinning the wheel by hand.