15. IGNITION SYSTEM
15-4
TROUBLESHOOTING
High voltage too low No high voltage
• Weak battery or low engine speed • Faulty ignition switch
• Loose ignition system connection • Faulty ignition unit
• Faulty ignition unit • Poorly connected or broken ignition unit
ground wire
• Faulty ignition coil •Dead battery or faulty regulator/rectifier
• Faulty pulser coil • Faulty ignition coil connector
Normal high voltage but no spark at plug • Faulty pulser coil
• Faulty spark plug
• Electric leakage in ignition secondary circuit
• Faulty ignition coil
Good spark at plug but engine won‘t start
• Faulty ignition unit or incorrect ignition timing
• Faulty change gear control unit
• Improperly tightened A.C. generator flywheel
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