Ignition System
Troubleshooting
No spark at plug
● Poorly connected, broken or shorted wires
- Between the A.C. generator and CDI unit
- Between the CDI unit and ignition coil
- Between the CDI unit and main switch
- Between the ignition coil and plug
● Faulty main switch
● Faulty ignition coil
● Faulty CDI unit
● Faulty A.C. generator
● Faulty pulse generator
Poor Engine Running
● Primary ignition circuit
- Faulty ignition coil
- Faulty wire connection
- Faulty CDI unit
● Secondary ignition circuit
- Faulty plug
- Faulty high-tension cord
- Faulty pulse generator
- Faulty spark plug cord
● Ignition timing
- Faulty A.C. generator
- Faulty CDI unit
- Faulty pulse generator
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