Secondary Throttle Plate

Fig. 7 Secondary throttle plate adjustment:

With secondary throttle plates closed, rotate secondary throttle shaft lever stop screw counter-clockwise until the secondary throttle plates seat in the bores. Rotate adjusting screw clockwise until it contacts the secondary lever, Fig. 7. Turn stop screw an additional 1/4 turn on 1982 - 84 models or 3/8 turn on 1985 - 87 models.