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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 → Continue to
check the CDI unit output.
Spark gap:
11 mm (0.4 in)
Checking steps:
Remove the spark plugs from the
engine.
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 For USA and CANADA
ı For worldwide
8-9
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