Diagnosis By Symptom

ENGINE WILL NOT START--FUEL SYSTEM OK
1. Wiring harness electrical terminals covered with grease.
2. Faulty ballast resistor.
3. Faulty ignition coil.
4. Faulty pickup or improper pickup air gap.
5. Faulty wiring.
6. Faulty control unit.

ENGINE SURGES SEVERELY--NOT LEAN CARBURETOR
1. Wiring.
2. Faulty pickup leads.
3. Ignition coil.

ENGINE MISSES--CARBURETION GOOD
1. Spark plugs.
2. Secondary cables.
3. Ignition coil.
4. Wiring.
5. Control unit.