Adjusting Float Drop

With air horn upright and gasket removed, allow float to hang by its own weight. See Fig 2 . Measure distance between bottom of float and air horn gasket surface. If distance is not 1.81-1.85" (46.0-47.0 mm), bend float stop as necessary.

Fig 1: Exploded View of 2-Barrel Carburetor (B2200)

Courtesy of MAZDA MOTORS CORP.

Fig 2: Adjusting Float Drop

Courtesy of MAZDA MOTORS CORP.