•  The spark plug generates spark, ignition of the air-fuel mixture occurs, and combustion of the air-fuel mixture is triggered.

•  The spark plug is installed to the cylinder head.

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•  Iridium on the center electrode and platinum on the ground electrode are used (iridium spark plug).

•  Because iridium has excellent durability, extreme thinning on the center electrode is achieved.

•  The area contacting flame is decreased by extremely thinning the center and setting electrodes, and extinction action is reduced. Therefore, excellent ignition performance is achieved. (spark plug type: PE01-18-110, PE02-18-110)

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