7-10
4. Ignition spark gap
The following procedure applies to all of the
spark plugs.
D Disconnect the spark plug cap from the
spark plug.
D Connect the ignition checker as shown.
D Spark plug cap
D Set the main switch to “ON”.
D Measure the ignition spark gap .
D Crank the engine by pushing the start switch
and gradually increase the spark gap until a
misfire occurs.
Min. ignition spark gap
6 mm
D Is there a spark and is the spark gap within
specification ?
NO
The ignition system
is OK.
YES
EAS00745
5. Spark plug cap resistance.
The following procedure applies to all of the
spark plug caps.
D Disconnect the spark plug cap from the
spark plug.
D Connect the pocket tester (Ω 1k) to the
spark plug cap as shown.
D Measure the spark plug cap resistance.
Spark plug cap resistance
10 kΩ at 20_C
D Is the spark plug cap OK?
YES
Replace the spark
plug cap.
NO
EAS00747
Tester positive probe
spark plug lead
Tester negative probe
Orange (gray) lead
1
1
2
a
2
6. Ignition coil resistance
The following procedure applies to all of the
ignition coils.
D Disconnect the ignition coil connectors from
the ignition coil terminals.
D Connect the pocket tester (Ω 1) to the
ignition coil as shown.
Tester positive probe red/black
Tester negative probe orange (gray)
D Measure the primary coil resistance.
Primary coil resistance
3.4 X 4.6 Ω at 20_C
D Connect the pocket tester (Ω 1k) to the
ignition coil as shown.
D Measure the secondary coil resistance.
IGNITION SYSTEM
ELEC
EAS00743
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