Checking The Spark Plug Caps; Checking The Ignition Coil - Yamaha XJR1300 2007 Service Manual

a
2
1
1. Ignition checker
2. Spark plug cap
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
gradually increase the spark gap until a mis-
fire occurs.
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EAS28070

CHECKING THE SPARK PLUG CAPS

The following procedure applies to all of the
spark plug caps.
1. Check:
Spark plug cap resistance
G
Out of specification → Replace.
Spark plug cap resistance
10.0 kΩ
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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.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
".
ELECTRICAL COMPONENTS
c. Measure the spark plug cap resistance.
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EAS28100

CHECKING THE IGNITION COIL

The following checking procedure applies to all
of the ignition coils.
1. Check:
Primary coil resistance
G
Out of specification → Replace.
Primary coil resistance
1.92–2.88 Ω
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a. Disconnect the ignition coil from wire har-
ness.
b. Connect the pocket tester (Ω × 1) to the igni-
tion coil as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Positive tester probe →
Red/Black terminal
Negative tester probe →
Orange (Gray/Red) terminal
c. Measure the primary coil resistance.
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2. Check:
Secondary coil resistance
G
Out of specification → Replace.
Secondary coil resistance
9.52–14.28 kΩ
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a. Disconnect the spark plug cap from the igni-
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