Malaguti DRAKON125 2022 Workshop Manual page 113

3. Possible failures
Broken switch position pin, rotating on the handle tube during use;
No sense of being in place or weak the sense of being in place;
The button cannot be reset;
Switch failure and lead wire breakage make the switch unable to be connected;
Lead wire breakage, switch dysfunction;
Loose side bracket switch and poor contact;
Abrasion of the side bracket switch lead wire, break or open circuit.
Switch worn, vibrated, and corroded by water.
Main fault diagnosis
Failure phenomenon
Starter relay does not pull
in: press the start button,
do not hear the sound of
relay pull in, start motor
does not turn.
Starting motor does not
run: there is a sound of
relay closing, but the motor
does not run.
Motor speed too low
Possible causes
The battery voltage is too low;
The corresponding fuse is not connected or
burnt out:
Open circuit of neutral line of gear switch:
Side bracket switch open circuit failure;
Clutch switch open circuit failure;
Open circuit failure of start button;
The flameout switch is broken;
Starter relay failure;
The relevant lines of the main cable are open
circuit.
The battery voltage is too low;
Loose thick wire connector;
Motor open circuit failure;
Open circuit between pole contacts of start
relay;
Motor short circuit failure;
Engine stuck and motor locked.
The battery voltage or capacity is too low;
Poor contact of connector head;
The output torque of starting motor is not
Solutions:
Charge the battery;
Connect the fuse or replace it;
Connect or replace the gear switch;
Connect or replace the side bracket
switch.
Connect or replace the clutch switch;
Connect the circuit or replace the left
switch;
Connect the circuit or replace the left
switch;
Replace the starter relay.
Repair or replace the main cable.
Charge the battery;
Fasten the connector;
Replace the motor;
Replace the starter relay.
Replace the motor;
Check the engine.
Charge or replace the battery;
Fasten the connector;
Replace the motor;