Troubleshooting - Yamaha MM600D Service Manual

TROUBLESHOOTING

Check the spark plug gap.
OK OUT OF SPECIFICATION
Check the spark plug cap resistance.
OK OUT OF SPECIFICATION
Check the ignition coil resistance.
OK OUT OF SPECIFICATION
Check the stator coil.
OK FAULTY
Check the engine stop switch, throttle
switch, carburetor switch and main
switch.
OK FAULTY
Correct the connection and/or replace
the CDI unit.
IGNITION SYSTEM
NO SPARK OR WEAK SPARK.
Repair or replace the spark plug.
Replace the spark plug cap.
Replace the ignition coil.
Replace the CDI magneto.
Replace the handlebar switch (right), carburetor
switch, and/or main switch.
8-3
– +
ELEC