Energy saving purifier for motorcycle

The utility model relates to an ignition device for a motorcycle. An encapsulation body which is composed of an outer casing and an insulating protective layer thereof is provided with a screw joint of a sparking plug; one end head of one end wire section of an ignition high-voltage wire in the encapsulation body is connected with the screw joint of a sparking plug; a capacitor is also encapsulated in the encapsulation body; one end of the capacitor is connected with the ignition high-voltage wire; the other end of the capacitor is connected with an earth ground wire. The utility model can increase the energy of a high-voltage ignition pulse, can obviously reduce harmful components in an internal-combustion machine tail of the motorcycle, is beneficial to oil saving and quick start, and has the obvious advantages of simple structure and convenient use.