To provide a carburetor device for a multicylinder engine which can evenly supply increased fuel from a single acceleration pump to carburetors while simplifying a structure and reducing a size.

A carburetor device 14 for a multicylinder engine is provided with three carburetors 31-1 to 31-3 arranged respectively on three cylinders of a three-cylinder engine (multicylinder engine), an acceleration pump 43 provided for increasing a supply amount to the carburetors 31-1 to 31-3 at the time of abrupt acceleration. In such a case, the acceleration pump 43 is arranged on the outside of the carburetors 31-1 to 31-3. The acceleration pump 43 has discharge ports by the same number of the carburetor, that is three in this case. Three discharge ports 47-1 to 47-3 are respectively connected to the carburetors by means of fuel pipes 48-1 to 48-3.