quannon 125 Workshop-manual : Page 46

          4. FUEL SYSTEM                                                             QUANNON 125


  Main Jet/Jets/Pilot Screw/Throttle Stop
  Screw Removal
  Remove the main jet, needle jet holder, and
  needle jet.
  Remove the slow jet.
  Remove the pilot screw and throttle stop
  screw.




                                                Main Jet    Slow Jet       Pilot Screws

  CAUTIONS !
 · Be careful not to damage the jets and
     jet holder when removing them.
   · Before removing, turn the throttle stop
     screw and pilot screw in and carefully
     count the number of turns until they
     seat lightly and then make a note of
     this.
   · Do not force the screw against its seat
     to avoid seat damage.
   · Be sure to install the O-ring in the
     reverse order of removal.
                                                                   Screws
  Accelerating Pump Removal
  Remove the two accelerating pump cover
  screws and accelerating pump cover.
  Remove the spring and accelerating pump
  diaphragm.




                                                                  Spring
  Inspection
  Inspect the accelerating pump diaphragm for
  cracks, damage or deterioration. Replace
  with a new one if necessary.




                                                Diaphragm              Accelerating
                                                                       Pump Cover

                                                                                          4-6