Yamaha fzs fi v 3.0 starting in the morning. After using 3-4 times in a day engine cut off any time while driving without changing gear. The RPM starts dropping suddenly and eng cuts off. Then bike donot starts for 30 min. After 30 min or more bike starts with self normally. Again after 4-5 uses it cuts off any time while driving.Battery is replaced with new One. But problem remains.