This pulse generator is designed for use in compatible motorcycle engines, including SR125, TW225, TTR225, TW125, TW200, TT-R225, XT225, ST225, Bronco, and Serow 225 models.It replaces OEM part numbers 4JG-85580-01 and 4JG-85580-00.Constructed with materials, the unit is built to withstand vibration and temperatures commonly encountered in off-road riding.The component supports consistent ignition timing and is engineered for performance in conditions.Installation is straightforward, integrating directly into the existing ignition system without modifications.