1
. GENERAL INFORMATION
1-26
Faulty old spark plug
Loose spark plug cap
Poorly connected coupler
Faulty ignition switch
Faulty pulser coil
Faulty ignition coil
Broken wire harness
Poorly connected coupler
Faulty CDI unit
Faulty ignition coil
Check CDI unit coupler
for looseness
Normal
Abnormal
Normal
Abnormal
Normal
Abnormal
Abnormal
Measure resistance
between CDI unit
coupler wire terminals
Check related parts
Check ignition coil with
a CDI unit tester
Weak or no spark
Not loose
Good spark
Good
Good
Check CDI unit with a
CDI unit tester
Loose
Check spark plug cap
and high-tension wire
for looseness