150cc STARTER CLUTCH NUT (NOTCHED, REVERSE THREAD, 30MM) FOR GY6 MOTORS STARTER CLUTCH NUT IN MOST GY6 ENGINES. THIS 4-NOTCH, 30MM DIAMETER, NUT IS REVERSE THREADED. THREAD SIZE: M22X1.00 SO MAKE SURE YOU ARE TURNING IT IN A CLOCKWISE DIRECTION. YOU WILL NEED A CLUTCH NUT SPANNER TO PROPERLY REMOVE THIS NUT! FITS MOST CHINESE SCOOTERS WITH 150CC GY6 MOTORS FITS MOST MODELS OF TAOTAO, WOLF, ICE BEAR, JMSTAR, ROKETA, SUNL, TANK, PEACE, JONWAY, COUGAR, GATOR AND MANY OTHERS