Service manual

7-16
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 ECM
output peak voltage.
Check the ignition coil for resistance.
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For USA and Canada
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For worldwide
Spark gap:
7–8 mm (0.28–0.31 in)
Checking steps:
• Connect the spark plug cap to the spark
gap tester.
• Set the spark gap length on the adjusting
knob.
Spark gap tester:
YM-34487/90890-06754
• Crank the engine and observe the igni-
tion system spark through the discharge
window.
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