ELECTRICAL COMPONENTS
8-95
▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. Disconnect the spark plug cap from the spark
plug.
b. Connect the ignition checker “1” as shown.
c. Turn the main switch to “ON” and set the en-
gine stop switch to “”.
d. Measure the ignition spark gap “a”.
e. Crank the engine by pushing the start switch
“” and gradually increase the spark gap un-
til a misfire occurs.
▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
EAS28070
CHECKING THE SPARK PLUG CAPS
The following procedure applies to all of the
spark plug caps.
1. Check:
• Spark plug cap resistance
Out of specification → Replace.
▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. Remove the spark plug cap from the spark
plug lead.
b. Connect the pocket tester (Ω × 1k) to the
spark plug cap as shown.
c. Measure the spark plug cap resistance.
▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
EAS28100
CHECKING THE IGNITION COILS
The following procedure applies to all of the igni-
tion coils.
1. Check:
• Primary coil resistance
Out of specification → Replace.
▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. Disconnect the ignition coil connectors from
the ignition coil terminals.
b. Connect the pocket tester (Ω × 1) to the igni-
tion coil as shown.
c. Measure the primary coil resistance.
▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
2. Check:
• Secondary coil resistance
Out of specification → Replace.
Ignition checker
90890-06754
Opama pet-4000 spark checker
YM-34487
2. Spark plug cap
Resistance
10.0 kΩ
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Primary coil resistance
2.16–2.64 Ω
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
black/red “1”
• Negative tester probe →
orange or gray/red “2”
To Next Page
Loading...
