TL*THE CONTACT OWNS A 2008 SUZUKI GSX 650FS (NA). WHILE DRIVING LESS THAN 50 MPH AND ATTEMPTING TO SWITCH FROM FIFTH TO SIXTH GEAR, THE VEHICLE DID NOT ENGAGE. THE CONTACT HEARD A LOUD CLUNKING SOUND. THE REAR TIRE LOCKED AND EJECTED THE OCCUPANT FROM THE VEHICLE. THE CONTACT SUSTAINED INJURIES TO HIS ELBOW, WHICH REQUIRED STITCHES, IN ADDITION TO BACK INJURIES. A POLICE REPORT WAS FILED. THE VEHICLE WAS TAKEN TO THE DEALER AND THE CONTACT IS STILL AWAITING A DIAGNOSTIC. THE FAILURE AND CURRENT MILEAGES WERE 2,188.