Yamaha F115 AETL [610/709] Ignition system

Yamaha LF115Y [610/709] Ignition system
8-12
–+
ELEC
E
IGNITION SYSTEM
CHECKING THE IGNITION SPARK GAP8
WARNING
Do not touch any of the connections of
the spark gap tester lead wires.
Do not let sparks leak out of the removed
spark plug cap.
Keep flammable gas or liquids away,
since this test can produce sparks.
Check:
Ignition spark gap
Above specification Replace the
spark plug.
Below specification Check the ECM
output.
Å For USA and Canada
ı For worldwide
Ignition spark gap
1.0 - 1.1 mm (0.039 - 0.043 in)
8130
8140
Å
8150
ı
Checking steps
(1) Remove the spark plugs from the
engine.
(2) Connect a spark plug cap to the spark
gap tester.
(3) Set the spark gap length on the adjust-
ing knob.
(4) Crank the engine and observe the
spark through the discharge window
of the spark gap tester.
Spark gap tester
YM-34487 / 90890-06754
8160
8170

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