IGNITION SYSTEM
E
CHECKING THE SPARK PLUGS
Refer to “CHECKING THE SPARK
PLUGS” on page 3-24.
CHECKING THE IGNITION SPARK GAP
WARNING
• Do not touch any of the connections of the
spark gap tester lesd wire.
• Do not let sparks leak out of the removed
spark plug cap.
• Keep flammable gas or liquids away, since
this test can produce spark
Check:
• Ignition spark gap
Above specification ➔ Replace the
spark plug.
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.
NOTE:
• If there is no spark or the spark is weak,
continue with the CDI test.
• If a good spark is obtained, the problem is
not with the ignition system, but possibly
with the spark plug(s) or another
component.
Ignition spark gap:
9 mm (0.35 in)
Spark gap tester:
YM-34487/90890-06754
8-7
To Next Page
Loading...
