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8-12
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+
ELEC
E
IGNITION SYSTEM
IGNITION SPARK GAP
WARNING
When performing the spark gap test,
observe the following:
●
Do not touch any of the connections of
the spark gap tester leads.
●
Make sure no sparks leak out of the
removed spark plug cap.
●
Keep flammable gas or liquids away,
since this test can produce sparks.
1. Check:
●
Ignition spark gap
Less than specification
→
Continue to
check the CDI unit output.
Spark gap:
9 mm (0.4 in)
Checking steps:
●
Remove the spark plugs from the
engine.
●
Connect the spark plug caps as shown.
●
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.
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