NCY Unrestricted Racing CDI Unit for 50cc – 150cc GY6 ScootersCOMPATIBILITY: BMS – Apache 50 4T, Heritage 50 4TDiamo – Classic 50 4TGilera – Capri 50 4T, Ciclone 50 4TLance – Charming 50 4T, GTR 50 4TRoketa – Bahama 50 4T, Maui 50 4T, Sicily 50 4TTank – Urban 50 4T, Sporty 50 4T, Viaggio 50 4TMany Other 50cc 139QMB Based Engines**This will not work on the QJ models This NCY performance scooter CDI igniter module works on most current AC GY6 50cc/150cc scooters