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ELEC
IGNITION SYSTEM
EAS00743
NO
YES
EAS00745
YES
NO
EAS00747
4. Ignition spark gap
The following procedure applies to all of the
spark plugs. Disconnect the spark plug cap
from the spark plug.
• Disconnect the spark plug cap from the
spark plug.
• Connect the ignition checker
1
as shown.
2
Spark plug cap
• Set the main switch to “ON”.
• Measure the ignition spark gap
a
.
• Crank the engine by pushing the starter
switch and gradually increase the spark gap
until a misfire occurs.
Minimum ignition spark gap
6.0 mm
• Is there a spark and is the spark gap within
specification?
The ignition system
is OK.
5. Spark plug cap resistance
The following procedure applies to all of the
spark plug caps.
• Remove the spark plug cap from the spark
plug lead.
• Connect the pocket tester (
Ω
×
1k) to the
spark plug cap as shown.
• Measure the spark plug cap resistance.
Spark plug cap resistance
10 k
Ω
at 20 °C
• Is the spark plug cap OK?
Replace the spark
plug cap.
6. Ignition coil resistance
The following procedure applies to all of the
ignition coils.
• Disconnect the ignition coil leads from the
wire harness.
• Connect the pocket tester (
Ω
×
1) to the
ignition coil as shown.
Tester positive probe
→
red/black
Tester negative probe
→
orange (gray/red)
• Measure the primary coil resistance.
Primary coil resistance
1.53 ~ 2.07
Ω
at 20 °C
• Connect the pocket tester (
Ω
×
1k) to the
ignition coil as shown.