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Spark plug has no flashover
Troubleshooting Tune-up inspection Failure cause
Weak or no
flashover of
spark plug
Strong spark
Replace new spark plug
and examine it again
No slack Slack
Inspect spark plug and examine it
again
Normal Abnormal
Check the conduction among each
terminal of CDI group line trap, and
measure the resistance value
Normal Abnormal
Abnormal Normal
Inspection of
related position
Inspect whether the CDI
group plug is slack
Normal Abnor
Abnormal
Check sparking coil by CDI tester
Check CDI group by CDI tester
Bad former spark plug
Slack spark plug cover
Bad contact of plug
Main switch is broken
Charge coil is broken
Trigger is broken
Bad sparking coil
Main wiring disconnected
Bad contact of joint and socket
CDI group is broken
Bad sparking coil