4. Remove the throttle arm cover; then loosen the jam nut on the throttle cable and remove the throt- tle cable from the throttle arm. The carburetor can now be removed for service. KC257A 3. Loosen the clamp on the intake pipe and lift the carburetor up and to the rear; then disconnect the electric choke connector and vent hose. KC258A DISASSEMBLING 1. Remove the four Phillips-head screws securing the top cover; then remove the cover. 4 KC256A KC0019A 2. Remove the vacuum piston assembly from the car- buretor body. Account for a spring, spring seat, and the jet needle. KC263 KC0021A 3. Remove the three screws securing the pump hous- ing. Account for the diaphragm assembly, spring, and U-ring (in the housing). KC264A 4-3