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Plug

A spark plug/plug is a primary component of a motorbikes ignition system. In terms of operation, the spark plug is connected to the high voltage generated by an ignition coil. Voltage is sent into the plug from its base, jumping from a centre electrode to a grounded electrode, creating a spark. This spark ignites the air-fuel mixture in the combustion chamber, causing an explosion that starts the engine power stroke. Spark plugs can be small but it plays the most important role in a bike’s mechanism. These small but simple plugs create an arc of electricity across two leads which are not touching, but close enough together that electricity can jump the gap between them. For most motorcycles, the spark plug should be replaced in every 5,000-6,000 kilometers.

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