High Performence Coil Gy6 50cc 139qmb 139qma 125cc 152qmi 157qmj Scooter Moped Parts #70004 Overall Length: 490mm Please see the pictures for measurement reference. High Performance Coil for GY6 50CC 139QMB 139QMA 125CC 152QMI 157QMJ scooter moped