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    Bought a used e-bike, motor cutting off power

    ElectroBike Dash. It was reviewed on EBR: https://electricbikereview.com/electrobike/dash/ The company must have recently took it off their site in favour of the newer Citi model.
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    Bought a used e-bike, motor cutting off power

    Wheel spins both forward and reverse, with resistance in reverse. With the power on, it behaves the same with the same level of resistance as with the power off. So hopefully it's just a cable problem, as I wouldn't be keen on trying to fix or buy a new motor.
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    Bought a used e-bike, motor cutting off power

    This bike just has the basic battery level display and nothing else. It logically would have to do something connected to the wheel since everything went downhill after the inner tube replacement. The connection to the motor was never severed during the repair, but seeing this is a used...
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    Bought a used e-bike, motor cutting off power

    The problem came back after a ride yesterday. The rear wheel is noticeably stiffer and not spinning as freely as it did before (as was shown in the video). Applying throttle I hear a much longer grinding noise (as was heard in the video), and then the power cuts off. Is stiffness in the...
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    Bought a used e-bike, motor cutting off power

    Yep, the battery was fully charged at the time of that video in my earlier post. It was also near full charge at the time of fiddling around with the controller and wiring. I suspect some bumpy roads may put it back into its former state, but time will tell. So far it survived the trip back...
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    Bought a used e-bike, motor cutting off power

    Thanks for the input all. We ended up taking apart the housing of the controller and just verifying all the connections. When the controller was tilted sideways the problem was no longer there, but when in the vertical position, the problem persisted. Seemed like magic. With some scooting...
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    Bought a used e-bike, motor cutting off power

    New observation: I can get it to full throttle if I add throttle very slowly. Anytime I increase the throttle significantly and suddenly, the power cuts off. It's sounding a lot like this problem described on another forum...
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    Bought a used e-bike, motor cutting off power

    I'll also add that if I manually pedal at the same speed or faster than when the power cuts off using just the throttle, that loud noise as was shown in the video is not present.
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    Bought a used e-bike, motor cutting off power

    I didn't post anything on Reddit. This sounds very much like a possibility I can suggest to him, as when I was watching him fix it, he appeared a bit confused with the order of washers when reassembling the rear axle. We can try to double check the washers and spacers. Also, I didn't mean any...
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    Bought a used e-bike, motor cutting off power

    Yes, it appears to be plugged in well at the rear axle. I can give it low throttle with no rear wheel resistance and the power stays on. I uploaded a video of the problem. The noise right before the power cuts off is definitely noticeable here as I gradually increase throttle...
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    Bought a used e-bike, motor cutting off power

    This is the used bike I purchased: https://electrobike.com.mx/productos/bicis-electricas/dash/dash The mechanic that fixed the tire didn't unplug the battery from the controller. I only described myself doing that trying to troubleshoot the problem as to why the power cut off after the tire...
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    Bought a used e-bike, motor cutting off power

    I recently bought my first, used electric bicycle. It was working well for two weeks. Today, I got a flat rear tire and took it to a bicycle shop for a quick repair. In this town I am in, there are no electric bike repair shops. After disassembly and reassembly to get to the rear tire and...
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