To improve fuel suction ability of a carburetor with an acceleration pump.

In a first carburetor 100, a fuel holding mechanism 120 and an acceleration pump 130 are connected by a pipe 302, in order to inject fuel in an intake path 104 from a pump nozzle 110, the acceleration pump 130 and the pump nozzle 110 are connected by a pipe 304. In the vicinity of a delivery port 144 in the downstream of the acceleration pump 130, a check valve 148 is provided. A pipe 308 extended from a branch part 306 of the pipe 304 is connected to a pump nozzle 210 of a second carburetor 200, to distribute fuel thereto from the first carburetor 100. The pump nozzle 210 injects fuel in an intake path 204.