40 Tin 3-Barrel: Description

The Zenith 40 TIN is a three barrel downdraft carburetor. Three mixture chambers and two float chambers are combined in a single body. Each mixture chamber is provided with its own accelerator pump. Throttle valve shafts are linked together by couplings. One end of throttle valve shaft pivot incorporates throttle valve lever, which includes a cam track to operate the accelerator pumps by means of a shaft. Accelerator pumps can be adjusted independently by means of separate adjusting screws.