Motorcycle CDI Ignition Box 4-pin DC with DIP Switch for 50cc 70cc 90cc 110cc 125cc Dirt Bike Go Kart - High efficiency ignition device designed specifically for motorcycles - Quick replacement: swap in your existing CDI unit and gain improved ignition performance - 4-pin DC CDI box with a DIP switch for easy setup and adjustment - The design of this ignition coil contributes to a more stable and efficient energy transfer in the system, boosting engine performance Compatibility and performance - Fits engines in the 50cc, 70cc, 90cc, 110cc, and 125cc range - Suitable for dirt bikes and Go Kart applications - Improves ignition performance through stable energy transfer, supporting better engine response and overall operation Use scenarios - Replace a worn CDI on a 50cc dirt bike to restore reliable ignition and consistent starting - Upgrade a 125cc Go Kart CDI to achieve more stable energy transfer and improved engine performance - Keep as a spare CDI for 70cc or 110cc machines to reduce downtime during field maintenance