This high quality accessory is the performance alternator kit for 50cc, 125cc, and 150cc GY6 Engines from NCY This is a lightweight racing stator assembly for most GY6 engines Description This high quality accessory is the performance alternator kit for 50cc, 125cc, and 150cc GY6 Engines from NCY. This is a lightweight racing stator assembly for most GY6 engines. As a high performance part, it is intended for racing or off-road use. As such, this holds no warranty on this item. This fine kit from NCY will work on most GY6 50cc scooter engines with three wire output (Yellow, White, Blue/White). 0900-1042