Beta RR 125 LC - Checking the Ignition Coil; Checking the Ignition Spark Gap

ELECTRICAL COMPONENTS
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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.
c. Measure the spark plug cap resistance.
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EAS28090
CHECKING THE IGNITION COIL
1. Check:
• Primary coil resistance
Out of specification → Replace.
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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.
c. Measure the primary coil resistance.
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2. Check:
• Secondary coil resistance
Out of specification → Replace.
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a. Disconnect the spark plug cap from the igni-
tion coil.
b. Connect the pocket tester (Ω × 1k) to the ig-
nition coil as shown.
c. Measure the secondary coil resistance.
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EAS28930
CHECKING THE IGNITION SPARK GAP
1. Check:
• Ignition spark gap
Out of specification → Perform the ignition
system troubleshooting, starting with step 5.
Resistance
5.0 kΩ
Primary coil resistance
2.16–2.64 Ω at 20 °C (68 °F)
• Positive tester probe →
red/white “1”
• Negative tester probe →
orange “2”
NGK
Secondary coil resistance
8.64–12.96 kΩ at 20 °C (68 °F)
• Positive tester probe →
orange “1”
• Negative tester probe →
spark plug lead “2”