I WAS RIDING IN THE "C" MODE FOR ABOUT 10 MINS BEFORE TURNING THE MOTORCYCLE OFF FOR A MINUTE OR TWO. I STARTED THE MOTORCYCLE AND CONTINUED MY RIDE. A COUPLE OF MINUTES LATER I WAS IN A CURVE GOING ABOUT 15-20 MPH WHEN THE MOTORCYCLE BEGIN TO SLIDE. THE RODE WAS FREE OF ANY OBJECTS\FLUIDS THAT WOULD CAUSE A SLIDE. THE SLIDE WAS CAUSED BY THE REAR TIRE SPINNING AND LOOSING GRIP. I HAD NOT INCREASE THE THROTTLE WHEN THIS HAPPENED. *TR