CR9E Double Iridium Motorcycle Spark Plug with Resistor 6263, Original Quality Replacement

CR9E 6263 twin-iridium motorcycle spark plug installed on the cylinder head, ignites the mixture to power the engine. Twin-iridium electrodes with built-in 6 kΩ resistance, effectively suppress EMI and ensure stable ignition. Fits most post-2000 universal brands. Installation difficulty: medium; about 20–30 minutes with a dedicated socket. If cold-start difficulty, hesitation, or idle instability occur, electrode wear or carbon buildup is indicated; replace to restore power.