how to replace Bafang M200 G210 controller

Bafang M200 /MM G210 motor controller replacement. After replacing the controller, you need to calibrate the motor with Bafang Besst tool. www.greenbikekit.com/
1. Open the motor
2. Remove the axle
3. Remove the nylon gear,
4. Replace the controller;
5. Calibrate the motor with Bafang Besst tool;
Tools needed:
Allen key,
Inner hexagon-plum blossom wrench,
Cross screwdriver
8" plier
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