PIAGGIO Liberty 125, Руководство по ремонту, Страница: 132 / 212

- Remove the float bowl drain screw, thoroughly
clean it and blow out the passage.
- The float bowl vent and the accelerator pump
contain one-way valves and, as such, should be
blown out gently with compressed air from inside
the float chamber.
- Check there are no signs of wear either on the
accelerator pump piston or the corresponding seat
in the float bowl.
- Replace defective components.
- Check the spring on the accelerator pump piston
shows no signs of wear.
- Re-fit the accelerator pump piston in the float
bowl, using a new O-ring and a new boot.
- Re-fit the float, together with the needle, inserting
the pin from the fuel inlet side.
- Check the seal on the screw by introducing a little
petrol into the float bowl.
- Assemble a new boot on the float bowl.
- Re-fit the float bowl to the carburettor body, by
tightening to the specified tightening torque.
- Thoroughly clean the mixture screw, blow out the
passage and re-assemble, using a new O-ring.
- Re-assemly takes the following order: spring,
washer and O-ring.
- Screw the mixture screw into the carburettor
body.
- The final position of the screw must be set ac-
cording to analysis of the exhaust gas.
- Prepare the carburettor for setting-up, by opening
the mixture screw two full turns from the closed
position.
Engine
Liberty 125 - 200 4tempi
ENG - 132