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3.2 Failure diagnosis
Startup failure Weak in rotation No rotation of RE rotary engine
of the startup motor of the startup motor
• Fuse blow • Low battery • Poor startup clutch
• Low battery • Poor wiring contact • Reversal rotation of the startup motor
• Poor main switch • Gear seized • Low battery
• Poor startup clutch
• Poor brake switch
• Poor starter relay
• Poor wiring contact
• Poor startup motor
3.3 Startup motor
3.3.1 Disassembly
* Note
Before the startup motor is disassembled, turn off the main
switch, remove the GND wire of the battery, and then power
on to check whether the startup motor works for ensuring
safety.
Remove the wire clip of the startup motor.
Remove the fixing bolts of the startup motor, and dismantle
the startup motor.
Roll the waterproof rubber case and dismantle the connector （换向器：commutator）
of the startup motor.
3.3.2 Breakdown
Remove screws in the shell, front cover, motor housing
and other parts
3.3.3 Check
Check other components.
Replace any part with abraded, damaged or burnt surface.
Clean the commutator surface if there is metal power
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