Yamaha STAR XVS95CE 2DX1 2014 Service Manual page 399

Resistance
7.5–12.5 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
c. Measure the spark plug cap resistance.
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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.
Primary coil resistance
2.16–2.64 Ω
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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.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
black/red "1"
• Negative tester probe →
orange or gray/red "2"
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7-86
ELECTRICAL COMPONENTS
c. Measure the primary coil resistance.
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2. Check:
• Secondary coil resistance
Out of specification → Replace.
Secondary coil resistance
8.64–12.96 kΩ
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a. Disconnect the spark plug cap from the igni-
tion coil.
b. Connect the pocket tester (Ω × 1 k) to the ig-
nition coil as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
black/red "1"
• Negative tester probe →
spark plug lead "2"
c. Measure the secondary coil resistance.
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EAS28120
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
• Crankshaft position sensor coupler
(from the wire harness)
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