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E-Bike (Shudders and vibrates when too much throttle)

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E-Bike (Shudders and vibrates when too much throttle)

Old 09-19-15, 02:22 AM
  #1  
mattwilkinson
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E-Bike (Shudders and vibrates when too much throttle)

Hi,

I have an eletric bike here that shudders and vibrates when too much throttle is applied.
It won't move at all, almost like the clutch isn't engaging in it.....


You can take off smoothly at low throttle then eventually wind it up to full throttle but not quick to start with.

Any idea what the problem could be?
Pics of the hub inside:

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Old 09-21-15, 02:59 PM
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rick kimura
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Bikes: repco MTB 26" + sram 2 speed automatix hub , road king cruiser 26" + lifepo4 48v x 12ah + 200w motor

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Your problem sounds similar to the one im having . Look into swapping phase wires and hall sensors , not all colour to colour combinations are the right combination . Im getting close to fixing this . P/S don't move the red or black wires leave them be ,,,,,,,just the yellow , green , blue ones

rick
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