What are the symptoms of a faulty scooter ignition coil?

1 Answers
VanDaniela
07/29/25 9:33pm
If the ignition coil of a scooter motorcycle is damaged, the following phenomena will occur: 1. No spark: The ignition coil fails to produce a spark, making the vehicle unable to start. 2. Jerking sensation: If the ignition coil experiences leakage, the vehicle will exhibit a jerking sensation during movement, alternating between sudden acceleration and deceleration. If the leakage is severe, the rider may even feel an electric shock. 3. Reduced current: If the ignition coil is punctured, the current will decrease, leading to incomplete combustion, reduced vehicle power, and increased fuel consumption. More related information is as follows: 1. Ignition coil: The car ignition coil is essentially the car's ignition coil. Simply put, the ignition coil is the component that enables the spark plug to "generate a spark" and ignite the mixed gas in the cylinder. In reality, it is a transformer responsible for converting the vehicle's low-voltage current into high-voltage electricity. Normally, each cylinder is equipped with a set of ignition coils and spark plugs, and ignition coils are typically replaced after 100,000 kilometers or even longer. 2. Ignition coil operation: The reason the ignition coil can convert the vehicle's low-voltage electricity into high voltage is due to its similar form to a regular transformer, with a large turns ratio between the primary coil and the secondary coil. However, the working method of the ignition coil differs from that of a regular transformer. While a regular transformer operates continuously, the ignition coil operates intermittently, storing and releasing energy repeatedly at different frequencies depending on the engine's speed.
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