BAFANG M420 User Manual

1
DEALER MANUAL FOR MOTOR
BF-DM-C-MM G332-EN October 2019
6.1 Introduction 
6.2 Specifications 3
6.2.1 Outline and geometric size 3
6.2.2 Surface 4
6.2.3 Storage Information 4
6.3 Drive Unit Installation 5
6.3.1 List of Tools to be used 5
6.3.2 Motor Installation 5
6.3.3 Cabling 6
6.3.4 Motor Cover Installation 9
6.3.5 Chain Wheel Installation 9
6.3.6 Crank Installation 10
6.3.7 External Speed Sensor Installation 11
6.4 Maintenance 12
CONTENT
6 DEALER MANUAL FOR M420
(MM G332.250/350.C/CCB)

BAFANG M420 Specifications

General

Rated Voltage	36 V
Power	250 W
Gear Sensor	Yes
Type	Mid Motor
Max Torque	80 Nm

Summary

Introduction

Specifications

Outline and Geometric Size

Details the physical dimensions and geometric layout of the M420 motor unit.

Surface

Describes the surface finish and coating of the M420 motor.

Storage Information

Provides guidelines for storing the M420 motor to maintain its condition.

Drive Unit Installation

List of Tools to be Used

Lists essential tools required for the installation of the M420 drive unit.

Motor Installation

Step-by-step guide for physically mounting the M420 motor onto the bicycle frame.

Cabling

Instructions for connecting all necessary cables to the M420 motor.

Motor Cover Installation

Procedure for attaching the motor cover to secure cables and protect components.

Chain Wheel Installation

Guide for installing the chain wheel onto the M420 drive unit.

Crank Installation

Instructions for mounting both the left and right cranks onto the M420 motor.

External Speed Sensor Installation

Steps for properly installing the external speed sensor and its magnet.

Maintenance