The utility model discloses a novel gasoline engine carburetor. The novel gasoline engine carburetor comprises an oil inlet connecting pipe, an oil return connecting pipe, a one-way valve, a starting pump, an adjustment diaphragm, an adjustment chamber and a valve needle, wherein an oil tank is connected with the oil inlet connecting pipe and the oil outlet connecting pipe, and the oil inlet connecting pipe, the valve needle, the adjustment chamber, the starting pump and the oil return connecting pipe are sequentially connected in series through a pipeline. According to the novel gasoline engine carburetor which comprises the oil inlet connecting pipe, the oil return connecting pipe, the one-way valve, the starting pump, the adjustment diaphragm, the adjustment chamber and the valve needle, the connecting method is proper, the number of parts is small, the problems that existing carburetors are not compact in structure, lager in size, heavy and difficult to start is solved, and the novel gasoline engine carburetor has the application value and the promotion value.