Throttle Positioner (Except 1973)

With engine at operating temperature, remove air cleaner vacuum hose and plug manifold vacuum tube, adjust as follows:

1. Disconnect negative lead wire (green) from solenoid terminal and run engine speed to 2500 RPM about four times. With engine speed at 2500-3500 RPM, ground negative lead wire against carburetor to energized solenoid.
2. Release throttle lever and confirm that positioner is set for 1350-1450 RPM (1400-1450 RPM for 1972). If not correctly set, turn adjustment nut on throttle positioner.
   NOTE: Do not attempt to change setting of by-pass screw. This screw is sealed with white paint.