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Ignition System; Dynamic Spark Tester; Ignition Checker - Yamaha Motor TT-R90E Manuel D'atelier Du Proprietaire

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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.
OK
Check "ENGINE STOP"
switch.
OK
Check ignition coil.
OK
Check CDI magneto.
OK
Replace CDI unit.
NOTE:
Remove the following parts before inspection.
G
1) Seat
2) Fuel tank
Use the following special tools in this inspection.
G

Dynamic spark tester:

YM-34487

Ignition checker:

90890-06754
IGNITION SYSTEM
Spark
No good
No good
No good
No good
Primary coil
No good
Secondary coil
No good
Pickup coil
Source coil
6 - 2
ELEC
Clean or replace
spark plug.
Repair or replace.
No good
Pocket tester:
YU-3112-C/90890-03112
+
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.

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