ON CERTAIN MOTORCYCLES, ACCELERATOR PUMP DIAPHRAGMS MAY BE DAMAGED FROM EXCESSIVE ASSEMBLY CLAMPING PRESSURE, WHICH CAN ALLOW FUEL TO LEAK FROM THE PUMP ACTUATING ROD AREA.
ON CERTAIN MOTORCYCLES, CONTAMINATED FUEL USED DURING THE FINAL ENGINE INSPECTION PROCESS MAY HAVE CAUSED DETERIORATION OF THE CARBURETOR ACCELERATOR PUMP DIAPHRAGM, WHICH COULD LEAD TO FUEL LEAKAGE FROM THE ACCELERATOR PUMP CHAMBER.