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1:The spark plug uses high voltage electricity to generate a spark that ignites the mixture. When the motorcycle ignition system works, high-voltage electricity forms a potential in the center electrode of the spark plug, discharge to the side electrode due to the potential difference, and arc is formed in the middle gap, and the arc ignites the mixture between the positive and negative electrodes, making it explode and do work, pushing the piston movement, and making the engine run.
2:According to electrode material: nickel alloy spark plug, low price but short life, weak performance; Iridium gold spark plug, center electrode with iridium alloy, high ignition energy, accurate timing, long service life; Platinum spark plug, center electrode and outer electrode discharge with platinum alloy, can inhibit electrode consumption.
3:Spark plug is the key component of motorcycle engine, its performance affects the engine starting, power output, fuel economy and stability. High quality spark plug can produce a strong concentrated spark, make the mixture fully burned, improve power, reduce fuel consumption, reduce engine carbon deposit, extend engine life.