Honda CX500 1978 Shop Manual page 226

HONDA
IGNITION SYSTEM
STATOR/
SPARK ADVANCER STATOR
TROUBLESHOOTING
Engine Cranks but Will Not Start:
1. Engine stop switch OFF
2. No spark at plugs
3. Faulty C.D.I. unit
4. AC generator faulty
No Spark at Plugs
1. Engine stop switch OFF
2. Poor connection broken or shorted wires
-Between AC generator and ignition coil
-Between C.D.1, unit and engine stop switch
-Between C.D.I. unit and ignition coil
-Between C.D.I. unit and ignition switch
-Between ignition coil and plug
3. Faulty ignition switch
4. Faulty ignition coil
5. C.D.I. Unit faulty
6. Faulty A.C. generator
Engine Starts but Runs Poorly
1. lgnition primary circuit
-Faulty ignition coil
-Loose or bare wire
-Intermittent short-circuit in a switch
2. Secondary circuit
-Faulty plug
-Faulty high tension cord
3. lgnition timing
-Faulty A.C. generator
-Faulty C.D.I. unit
17-2
Date of Issue: January, 1978
OHONDA MOTOR CO., LTD.
I