Yamaha SX150C Service Manual page 282

– +
ELEC
8230
IGNITION SYSTEM
8200
8210
8240
INSPECTING THE IGNITION SPARK
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.
Inspect:
• Ignition spark
Spark is weak → Inspect the ignition
system.
Inspecting steps
(1) Remove the spark plugs from the
engine.
(2) Connect a spark plug cap to the spark
gap tester.
Spark gap tester
YM-34487 / 90890-06754
(3) Crank the engine and observe the
spark through the discharge window
of the spark gap tester.
8-13
E
8