No, motorcycles do not all have the same CDI (Capacitor Discharge Ignition) box. CDI boxes are electronic ignition systems that control the spark timing and ignition coil output of a motorcycle's engine. They are designed specifically for the make, model, and sometimes even the year of the motorcycle.
Different motorcycles have different engine configurations, ignition systems, and electronic components, so the CDI box needs to be compatible with the specific motorcycle it is intended for. Using an incorrect CDI box can result in poor engine performance, starting difficulties, or even damage to the electrical system.
If you need to replace a CDI box on a motorcycle, it is important to ensure you get the correct one that is designed for your specific make, model, and year of the motorcycle. It's recommended to consult the motorcycle's manufacturer, a reputable dealer, or an experienced motorcycle mechanic to ensure you get the right CDI box for your bike.