I have a 1999 900s Monster and I believe I am having electrical problems. the bike is shaking (Like it is miss firing) and the turn signals are flashing on and off..my high beam is not working and the bike is turning off as I am riding it down the street. I have had to jump the battery a few times, but with some recent charging, the motor seems to be turning over. Any advice? I just had a $700 tune up a month ago and everything was fine (except the battery-which they charged it up for me) Thanks..