GY6 High Performance Beefed Up AC Fired CDI No Rev Limit For 50cc 125cc 150cc Scooters Mopeds ATVs And Go Karts 139QMB 152QMI 157QMJ With 6 Pin 2 Plug Rounded Ignition Module

Single-Unit High-Performance AC Fired CDI for GY6 Scooters
✔️ 6-pin 2-plug rounded AC-fired CDI, no rev limit, 66x38x23 mm

This AC-fired, rounded 6-pin CDI module is designed for GY6 engines and is commonly used on scooters, mopeds, ATVs, go-karts, and other small-motor platforms in 50cc, 125cc, and 150cc classes. The compact 66x38x23 mm size, 6-pin 2-plug configuration, and no rev limit upgrade make it a practical upgrade to improve ignition timing and acceleration response.

✅ GY6 compatibility includes 50cc/125cc/150cc families such as 139QMB, 152QMI, 157QMJ
✅ AC fired, no rev limit for quicker RPM ramp and stronger acceleration
✅ 6-pin 2-plug rounded ignition module for straightforward wiring
✅ Dimensions 66mm x 38mm x 23mm fitment for most stock housings
✅ Single-stage advanced timing for faster ignition timing at high RPM

💡 What is an AC fired CDI box used for in GY6 engines and why pick one with no rev limit?

Here's a handy explanation. - Handy upgrade for better ignition timing and throttle response - Removes stock rev limiter to allow higher RPM safely with proper tuning - Works with GY6 engine families like 139QMB, 152QMI, 157QMJ - Simple install, fits 6-pin 2-plug rounded ignition modules