VEHICLE DESCRIPTION: MOTORCYCLES. THE FUEL TANK IS EQUIPPED WITH A CARBON CANISTER WHICH HELPS CONTROL EVAPORATIVE EMISSIONS FROM THE FUEL SYSTEM. THIS CANISTER IS MOUNTED TO A METAL INSERT THAT IS INTEGRATED INTO THE TANK. DURING THE PRODUCTION PROCESS, THE THICKNESS OF THE FUEL TANK MATERIAL IN THE AREA OF THE INSERT MAY BE LESS THAN INTENDED. AS A RESULT, VEHICLE OPERATING CONDITIONS SUCH AS VIBRATION, HIGH TEMPERATURE, ETC., COULD RESULT IN THE FUEL TANK DEVELOPING A CRACK IN THE AREA OF THE INSERT.