Naraku unrestricted CDI unit. Can also be used on untuned engines, and increases the rev limit from the original 8-9,00rpm. A must for tuned engines. Vehicle list for Kymco scooters. Suitable for: KYMCO Super 9AC up to chassis No..: RFBS1010029101088 (small CDI as shown) KYMCO YUP 50 up to chassis No.: RFBS600002AA01380 KYMCO DJ 50 KYMCO Dink 50 (small CDI as shown) KYMCO Fever KCA (10 inch tyres) For Super9 AC with larger CDI, Yup50, Vitality 2-stroke and Dink50 only for use with NARAKU CDI-Converter. List as per German market. Please check individual CDI units if outside Germany.