Naraku CDI No Rev Limiter for 50cc – 150cc 4-Stroke GY6 Chinese Honda Cloned EnginesNaraku Performance GY6 CDI. Upgrade your scooter with the best CDI available for your GY6 engine. GY6 Racing CDI with no rev limiter. This CDI features a performance optimized ignition curve: ideal for later tuning mods, such as a big bore kit. Only suitable for scooters with AC ignition system. Naraku supply performance moped parts and accessories from Taiwan. The company has more than 10 years experience and are known for delivering superb quality parts for GY6 mopeds and scooters.**