Naraku CDI Unit – V2 Racing Version for 4-Stroke KYMCO Scooters NK390.16

Naraku (Part # NK390.16) is designed for 4-stroke KYMCO scooters. It features a racing-tuned ignition map, no factory rev limiter, and is ideal for bigger bore or modified engines. 

Key Features:

• V2 version for improved ignition curve and better throttle response. 

• Compatible with DC ignition systems (6-pin plug) for many 4-stroke KYMCO/SYM models. 

• Helps unlock additional top speed when paired with performance upgrades (e.g., big-bore kit). 

Specifications:

• Part Number: NK390.16

• Version: V2 Racing CDI

• Plug Type: 6-pin DC connector

• Purpose: Rev limiter removal / performance ignition mapping

• Brand: Naraku (Taiwan)

Compatibility:
Suitable for many KYMCO 4-stroke scooters

Important Notes:

• This CDI removes factory speed/rev limits — meant for performance tuning only.

• May cause tachometer or speedometer errors on some models which use inductive pickup systems. 

• Installation should be done carefully: ensure correct polarity and compatibility of the connector.