Remove the airbox.
Slacken the clip (1).
Ease the carburetor (2) off the intake manifold.
Block off the intake manifold with a cloth to prevent the ingress of debris into the engine.
Release and remove the two screws (3).
Remove the throttle cable complete with needle and slide.
Release and remove the screw (4) and remove the complete throttle cable.
Remove the hose (5) of the mixer oil pump.
Note. Place some paper underneath the hose (5) to collect any oil spillage.