PIAGGIO 633929(IT) Service Station Manual page 166

Engine
- Properly wash and blow the components of the
sprayer maximum circuit, the diffuser and the noz-
zle.
- Introduce the sprayer in the carburettor body with
the shortest cylindrical part directed to the diffuser.
- Assemble the diffuser making sure the sprayer is
being adequately inserted and lock it.
-Assemble the maximum nozzle.
- Check that the tapered pin does not show signs
of wear on the sealing surfaces of the shock ab-
sorber pin and the return clamp.
- Replace the rod if worn out.
- Check that the float is not worn on the pin housing or on the contact plate with the plunger and that
there are no fuel infiltration.
- Replace it in case of anomalies.
- Introduce the float with the rod on the fuel feeding tube side.
N.B.
INTRODUCE THE RETURN SPRING ON THE FLOAT PLATE ADEQUATELY
ENG - 72
MP3 125