Measure the spark plug gap and
perform the spark plug test.
Standard clearance: 0.6—0.8mm
Perform the spark test again using a
new spark plug
Good spark
Replace the spark plug
No spark
No spark
Check the trigger
Abnormal
Replace the trigger or readjust
trigger clearance
Check the ignition coil resistance
and high pressure cable, high
pressure insulation cap.
Inspection or replace wire harness.
Replace the ignition coil
Abnormal
Check the resistance of motor
ignition winding
Replace the motor stator
Abnormal
Replace the engine switch
Disconnect the low oil alarm and
perform spark test
Good spark
Replace the low oil alarm
Good spark
Check the engine switch
No spark
No spark
Remove the control panel. Perform
the spark test using a new ignitor.
Good spark
Replace the ignitor
No spark
Normal
Normal
Normal
d. Engine oil level is low, but engine does not stop. (Poor oil alarm device)
Drain out oil completely, disconnect alarm
connection wire, and check the continuity
between alarm outlet terminal and ground.
No continuity
Replace the oil level alarm
Ignitor fault, please replace the ignitor.
Continuity
Reset the alarm connection wire, disconnect
ignitor plug, and check the continuity
between the plug orange wire and ground.
No continuity
Repair or replace the wire
harnesses
Continuity
13