vitality 50 2t 4t Workshop-manual : Page 192

Microfiches
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          12. CARBURETOR                                                                  VITALITY 50

 AUTO BYSTARTER INSPECTION
 Check the auto bystarter valve and needle
 for nicks, wear or damage.
 If any faulty part is found, replace the auto
 bystarter with a new one.




                                                  Bystarter Needle          Bystarter Valve

                                                     Screws                              Screws
 AIR CUT-OFF VALVE (A.C.V.)
 REMOVAL
 Remove the two screws and then remove
 throttle cable holder.
 Remove the two screws and the air cut-off
 valve cover.




                                                 Throttle Cable                 Cut-off Valve Cover

                                                                   Spring       Cut-off Valve Cover
 Remove the spring, diaphragm and O-rings.
 Inspect the diaphragm and spring for wear
 or damage.




                                                                  O-ring    Diaphragm



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