UPON DECELERATION ABOVE 45MPH THE HANDLEBARS WILL SHAKE SIDE TO SIDE VIOLENTLY. THE LAST INCIDENT CAUSED A WRIST INJURY TRYING TO STOP THE SHAKING HANDLEBARS. MOTORCYCLE CAN BE TRAVELLING IN A STRAIGHT LINE OR IN A TURN TO DUPLICATE THE CONCERN. ANY ROAD SURFACE CAN BE USED TO DUPLICATE ISSUE. THIS CONCERN HAS NEARLY CAUSED A CRASH ON A FEW OCCASIONS. MOTORCYCLE HAS NOT BEEN RIDDEN SINCE LAST INCIDENT FOR FEAR OF CRASHING. DON'T WANT TO SELL THE MOTORCYCLE TO SOMEONE WITH SUCH A DANGEROUS ISSUE!