The retaining screws on the fuel bowl have the potential to loosen, allowing seepage of gasoline from the carburetor.
Fuel system
MG MGB Fuel System problems by year
0 complaints filed with NHTSA about the MG MGB's fuel system. Fuel pumps, leaks, injectors, fuel smells, gauges and stalling caused by fuel delivery.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data