This CDI (capacitive discharge ignition) box is typically found in the Electric System section of several part manuals. Commonly used for but not limited to GY6, 4-stroke, 50cc, 100cc, 125cc, and 150cc engines. It is most popularly known for its use in Honda TRX 125 / ATC125, and their Chinese-made copies from Roketa, Taotao, SunL, Kazuma, BMX, Kymco, NST, Coolsport, Buyang, TaoTao, Redcat, as well as many other brands of motorcycles, ATVs, dirt bikes, scooters, go karts (buggies), and engines with alternative profile names. This CDI has 1 plug x 2 pins + 1 plug x 4 pins.

Approximate Dimensions of the CDI Box:

• Length: 39mm (2.32”)
• Height: 65mm (2.56”)
• Height: 21mm (0.83”)