CDI, DC POWER ( DIRECT CURRENT ) " FOUR PRONG,WITH GREEN PLUG " 70,90,110,125CC, FOUR STROKE, HORIZONTAL, SINGLE CYLINDER, HONDA STYLE ENGINE ( WORKS ON ANY CHINESE FOUR WHEELER, DIRT BIKE, GO-KART... TAOTAO, ROKETA, KAZUMA, SUNL, JETMOTO¡­¡­)