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Yamaha SRX700D - Ignition System Troubleshooting; No Spark or Weak Spark

Yamaha SRX700D
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8-3
–+
ELEC
TROUBLESHOOTING
NO SPARK OR WEAK SPARK.
Check the spark plug gap.
OK OUT OF SPECIFICATION Repair or replace the spark plug.
Check the spark plug cap resistance.
OK OUT OF SPECIFICATION Replace the spark plug cap.
Check the ignition coil resistance.
OK OUT OF SPECIFICATION Replace the ignition coil.
Check the stator coil and pickup coil.
OK FAULTY Replace the AC magneto.
Check for voltage on the condenser coupler.
OK OUT OF SPECIFICATION Correct connection and/or replace the rectifier/regu-
lator.
Check the condenser.
OK OUT OF SPECIFICATION Replace the condenser.
Check the engine stop switch,
throttle switch, carburetor switch
and main switch.
OK FAULTY Replace the handlebar switch (right), carburetor
switch, and/or main switch.
Check the lighting, signal and
meter system. Refer to “LIGHTING
SYSTEM” and “SIGNAL SYSTEM”.
OK FAULTY Repair the lighting system and/or signal system
and/or meter system.
Correct connection and/or replace
CDI unit and/or Rectifier/regulator.
IGNITION SYSTEM
NOTE:
If a short circuit occurred in the lighting system,
the signal system, or the meter system, the en-
gine can be started and the vehicle ridden in an
emergency by cutting off the load control relay.

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