What are the signs of a failing motorcycle ignition coil?

1 Answers
PresleyLynn
07/30/25 5:29am
Motorcycle ignition coil failure signs include: 1. No spark from the ignition coil, preventing vehicle startup; 2. Electrical leakage from the ignition coil, causing jerky movement with inconsistent speed during riding; 3. Reduced power and increased fuel consumption. A motorcycle consists of an engine, transmission system, running gear, braking system, and electrical instrumentation. The transmission system comprises primary reduction, clutch, gearbox, and secondary reduction. The ignition coil, formally known as the line output transformer (also called line package or line transformer), operates similarly to TV/monitor flyback transformers - its primary function is generating anode high voltage while also providing focus, acceleration, and grid voltages.
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