CDI, AC POWER ( ALTERNATING CURRENT ) " FIVE PRONG, WITH GREEN COLOR PLUG " 50, 70, 90, 110 AND 125CC, FOUR STROKE, HORIZONTAL, SINGLE CYLINDER, HONDA STYLE ENGINE ( WORKS ON ANY CHINESE FOUR WHEELER, DIRT BIKE, GO-KART, MINI CHOPPER... TAOTAO, ROKETA, KAZUMA, SUNL, JETMOTO¡­¡­)