Mixing Chamber Top and Throttle Slide
(a) Thoroughly clean the outside of the carburetter
(b) Undo the two screws securing the mixing chamber top and withdraw the throttle valve and needle.
(c) Compress the throttle spring drawing it out of the slide. Holding the spring and top to one side to gain clearance, remove the needle and its securing clip.
(d) Unhook the throttle cable from the slide once the needle is removed.
(e) Compress the air valve spring and unhook the cable to release the air slide, spring and brass tube.
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