ON A COLD ENGINE START RELEASING THE CLUTCH AND ATTEMPTING TO ACCELERATE, THE ENGINE WILL "STUMBLE" OR HESITATE, THEN CATCH AND ACCELERATE ERRATICALLY AND RUN ROUGH FOR A SHORT TIME. ON A MOTORCYCLE, IN A TURN WHERE THE MACHINE MUST BE LEANED OVER, THIS RESULTS IN A LOSS OF CONTROL AND DROPPING THE 950 LB. MACHINE. THIS HAPPENS WHEN THE ENGINE HAS COOLED TO AMBIENT TEMPERATURE OVERNIGHT OR AFTER BEING PARKED FOR AN EXTENDER PERIOD. THIS CONDITION BEGAN AT ABOUT 900 MILES AND CONTINUES TO THE CURRENT MILEAGE OF 2900. THE INJURY MENTIONED WAS TO MY BACK IN TRYING TO PREVENT DROPPING TO MOTORCYCLE AND DID NOT REQUIRE MEDICAL ATTENTION. *TR