Removing The Oil Sump; Refitting The Oil Sump; Fuel Supply - PIAGGIO MSS Fly 50 4T Workshop Manual

Engine

Removing the oil sump

- Remove the oil filling cap, the transmission cover,
the complete driving pulley assembly with belt and
pinion.
- Unscrew the oil drainage plug «A» shown in the
figure and drain out all the oil from the sump.
- Remove the 6 screws indicated in the figure.

Refitting the oil sump

- Clean and grease the faying surfaces.
- Apply LOCTITE 510 on the sump surface and
tighten the 6 fixing screws to the specified torque.
- Refit the driving pulley assembly, the belt, the
pinion and the transmission cover.
WHEN TESTING THE LUBRICATION SYSTEM, REFER TO
THE "CRANKCASE AND CRANKSHAFT" CHAPTER, RE-
GARDING LUBRICATION OF THE CRANKSHAFT AND
CONNECTING ROD
Locking torques (N*m)
Oil sump screws
8 ÷ 10 Nm

Fuel supply

- Disconnect the fuel supply and the suction taking
pipe from the carburettor.
- Check that there are no fuel leaks between the
two tubes.
- Close the fuel outlet pipe.
- By means of the MITYVAC pump apply 0.1 bar
of suction to the tap.
- Make sure that the suction is kept stable and that
and that there are no fuel leaks.
- Reconnect the suction pipe to the manifold.
- Position the fuel pipe with the outlet at the point
of the tap.
- Turn the engine by using the starter for five sec-
onds with the carburettor at minimum.
ENG - 112
MSS Fly 50 4T