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7-10
E
–+
ELEC
IGNITION SYSTEM
IGNITION SPARK GAP
WARNING
● When checking the spark gap, do not
touch any of the connections of the spark
gap tester lead wires.
● When performing the spark gap test, take
special care not to let sparks leak out of
the removed spark plug cap.
● When performing the spark gap check,
keep flammable gas or liquids away,
since this test can produce sparks.
1. Check:
● Ignition spark gap
Below specification → Check the CDI
unit output peak voltage.
Check the ignition coil for resistance.
Å For USA and Canada
ı For worldwide
Spark gap:
10 mm (0.39 in)
Checking steps:
● Connect the spark plug cap to the
spark gap tester.
● Set the spark gap length on the adjust-
ing knob.
Spark gap tester:
YM-34487/90890-06754
● Crank the engine and observe the igni-
tion system spark through the dis-
charge window.
Å
ı
Å
ı
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