FOUR WEEKS AGO I WAS RIDING MY 2002 YAMAHA VIRAGO 250 MOTORCYCLE AT ABOUT 25MPH ON A ONE LANE COUNTRY ROAD. I WAS IN THE MIDDLE OF A GENTLE CURVE WHEN THE BIKE SUDDENLY ACCELERATED AND HEADED STRAIGHT RATHER THAN BEARING LEFT ON THE CURVE. ALTHOUGH I TRIED MY HARDEST TO LEAN LEFT IT FELT LIKE THE BIKE WAS SPEEDING OUT OF CONTROL AND LOCKED IN THE STRAIGHT POSITION. THERE WAS NO SHOULDER AND I RAN INTO THE GUARD RAIL. I'M FORTUNATE THAT MY BROKEN ARM AND LEG, CRUSHED KNEE AND ELBOW WILL HEAL IN TIME. I DON'T KNOW WHAT CAUSED THE SUDDEN ACCELERATION.*AK