1
. GENERAL INFORMATION
NO SPARK AT SPARK PLUG
Inspection/Adjustment
Replace with a new
spark plug and inspect
again
Check spark plug cap
and high-tension wire
for looseness
Check CDI unit
coupler for looseness
Measure resistance
between terminals of
CDI unit coupler
Check related parts
Check CDI unit with a
CDI unit tester
Check ignition coil
with a CDI unit tester
1-27
Symptom
Weak or no spark
Not loose
Good
Normal
Normal
Normal
Abnormal
closed
Probable Cause
Good spark
Faulty spark plug
Loose
Faulty spark plug
Good
Poorly connected coupler
Abnormal
Faulty ignition switch
Faulty exciter coil
Abnormal
Faulty pulser coil
Faulty ignition coil
Broken wire harness
Poorly connected coupler
Faulty CDI unit
Abnormal
Faulty ignition coil
DINK 200