vitality 50 2t 4t Workshop-manual : Page 196

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          12. CARBURETOR                                                                  VITALITY 50

 FLOAT LEVEL INSPECTION
 Measure the float level at the location of the
 main jet (just contacting the float valve).
 Float Level: 20.51.0mm

 Replace the float if the level is incorrect.
 Check the operation of the float and then
 reinstall the float chamber.
 Datum plane



                                                                  Datum Plane



                                                           Vacuum Piston
 VACUUM CHAMBER ASSEMBLY
 First install the jet needle and spring into
 the vacuum chamber and then install the
 needle holder.




                                                  Needle Holder             Jet Needle



                                                    Vacuum Piston                Spring
 Install the vacuum piston into the
 carburetor body.
 Install the spring.
 Install the vacuum chamber cover and
 tighten it with the two screws.

 · Be careful not to let the diaphragm
      slip.
    · If the diaphragm cannot be positioned
      correctly because of expansion, dry the
      di h        b f   i t ll ti




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