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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