CDI unit Naraku adjustable for Qingqi, Rex

Naraku unrestricted Racing CDI with improved/advanced mapping for 50cc 4-Stroke REX and Huatian. Perfect CDI unit for tuning requirements, the bonus of this unit is having the ability to adjust timing of the park whether it be clockwise to advance or anti-clockwise to retard. On delivery, the adjuster screw is set to the middle. 12-13 revolutions clockwise or counter-clockwise for timing adjustment. Clicks when you reach the next setting. Only suitable for scooters with DC ignition system.