KYMCO XCITING 500 Service Manual page 32

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 ignition unit
coupler for looseness
Measure resistance
between terminals of
ignition unit coupler
Check related parts
Check ignition unit
with a ignition unit
tester
Check ignition coil with
a ignition unit tester
1-29
Symptom
Weak or no spark
Not loose
Good
Normal
Normal
Normal
Abnormal
Good spark
Loose
Good
Abnormal
Abnormal
Abnormal
XCITING 500
Probable Cause
Faulty spark plug
Faulty spark plug
Poorly connected coupler
Faulty ignition switch
Faulty exciter coil
Faulty pulser coil
Faulty ignition coil
Broken wire harness
Poorly connected coupler
Faulty ignition unit
Faulty ignition coil