Ignition CDI Box Unit Replacement For Yamaha PW50 PY50 Kid Pit Bikes And 50cc To 150cc Scooters Mopeds Go Karts ATVs Dirt Bikes Plug And Play Ready Universal Fit For XR50 XR70 CRF50 And Clone Engines

Universal CDI ignition box, single-unit for 50-150cc engines
✔️ 5-pin AC CDI, plug-and-play fit for 50cc-150cc engines

This CDI unit replaces a worn ignition box on many small-displacement bikes, scooters, ATVs, dirt bikes, go-karts, and quads. It's a common upgrade for XR50, XR70, CRF50 and clones, plus many Chinese 50cc-150cc models.

✅ 5-pin AC CDI, compatible with most 50cc-150cc Chinese four-stroke engines
✅ Eliminates rev limiter for smoother acceleration and quicker starts
✅ Works with XR50, XR70, CRF50 and clone engines, and many popular brands
✅ Plug-and-play install with no rewiring needed

💡 What is a CDI ignition box used for in small engines?

A CDI module controls spark timing and ignition energy to the spark plug, optimizing power delivery. - Handy for improving starting reliability and throttle response - Useful for XR50/ XR70 clones and other 50cc-150cc engines - Helps remove factory rev limits under safe riding conditions