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EC620000
IGNITION SYSTEM
INSPECTION STEPS
Use the following steps for checking the possibility of the malfunctioning engine being attributable to
ignition system failure and for checking the spark plug which will not spark.
Spark gap test
No Spark
Check entire ignition system
for connection.
OK
Check main switch.
(TT-R125E/TT-R125LWE
only)
OK
Check engine stop switch.
OK
Check ignition coil.
OK
Check CDI magneto.
OK
Replace CDI unit.
*marked: Only when the ignition checker is used.
TIP:
• Remove the following parts before inspection.
1) Seat
2) Fuel tank
• Use the following special tools in this inspection:
Dynamic spark tester:
YM-34487
Ignition checker:
90890-06754
IGNITION SYSTEM
Spark
No good
No good
No good
Primary coil
Secondary coil
Pickup coil
Source coil
6-3
*Clean or replace
Repair or replace.
No good
No good
No good
No good
Pocket tester:
YU-3112-C/90890-03112
–
+
ELEC
spark plug.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
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