Yes, many modern motorcycles are equipped with a CDI (Capacitor Discharge Ignition) box or module. The CDI system is a type of ignition system commonly used in motorcycles and other small engines. It works by storing electrical energy in a capacitor and then releasing it in a high-voltage pulse to the ignition coil, which generates the spark that ignites the fuel-air mixture in the engine's cylinders.
The CDI box contains electronic circuitry that controls the timing and intensity of the spark. It receives signals from various sensors, such as the crankshaft position sensor and the throttle position sensor, to determine the optimal timing for ignition. Based on these inputs, the CDI module triggers the spark at the right moment to ensure efficient combustion and engine performance.
While CDI systems have been widely used in motorcycles for many years, it's worth noting that there are also other types of ignition systems employed in modern motorcycles, such as digital electronic ignition (DEI) and transistorized ignition systems. The specific ignition system used can vary depending on the motorcycle manufacturer and model, as well as the desired performance characteristics and emissions standards.