E
IGNITION SYSTEM
ELEC
0
5
10
SERVICE POINTS
IGNITION SPARK GAP
w
9
When checking the spark gap, do not
touch any of the connections of the spark
gap tester lead wires.
9
When performing the spark gap test, take
special care not to let sparks leak out of
the removed spark plug cap.
9
When performing the spark gap check,
keep flammable gas or liquids away,
since this test can produce sparks.
1. Check:
9
Ignition spark gap
Less than specification
®
Continue to
check the ignitor ass’y output.
Checking steps:
8
Remove the spark plugs from the
engine.
8
Connect the spark plug cap to the
spark gap tester.
8
Set the spark gap length on the
adjusting knob.
8
Crank the engine and observe the
ignition system spark through the
discharge window.
8-6
Spark gap tester:
YM-34487/90890-06754
SPARK GAP:
9 mm (0.4 in)
