This universal 4/2 pin CDI will fit most 4 stroke 50-250cc units including Go-karts, ATVs, Dirt Bikes, Mini Bikes, and some Motorcycles. This CDI is compatible with Chinese made units and also many Honda, Yamaha, Suzuki, Kawasaki, Polaris, and other Japanese models. We have a large selection of CDI's for all powersports units including larger Japanese ATV models 250cc-700cc. If you do not see the part you need listed here then contact us: