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What is the function of a motorcycle spark plug?

1 Answers

VonEvan

07/29/25 3:36pm

The function of a spark plug is to generate a high-voltage electric spark to ignite the compressed combustible mixture. It ensures the normal operation of the engine, and without it, the vehicle would fail to start. If the spark plug is well-maintained, the vehicle will be very fuel-efficient, run quietly without noise, and be motorcycle-friendly. Spark plug maintenance precautions: Always keep the spark plug insulator clean and dry. During normal use, dust, oil, and other deposits may accumulate on the spark plug insulator. These deposits can form external leakage paths, affecting the normal sparking of the plug. When servicing the engine or performing other operations, be careful not to bump the spark plug insulator, as it may crack under force and impair the spark plug's normal function. When connecting or disconnecting the high-voltage wire, handle it gently and avoid excessive force. Do not shake the spark plug insulator, as this may compromise the plug's sealing or cause damage. New spark plugs or those removed for cleaning and inspection must not be dropped or thrown, as this may damage the insulator.

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