This Honda XL250 Ignition system kit contains a combined CDI ignition coil unit, Stator with ignition and lighting coil. The CDI Unit ignition unit offers a smooth advance for performance and easier starting. The superior spark energy and timing are produced by the Stator and CDI Unit combination. This kit ensures a simple fitting design for easy installation since it works with the factory flywheel rotor. You will need an AC regulator to run AC lighting or a regulator rectifier to charge a battery or run DC lighting See part V261 which can be used for either option.