VESPA GTV 250 i.e. 2008 Service Station Manual page 152

Engine
- Fit the sprocket wheel with a new O-ring.
- Fit the chain.
- Fit the central screw and the cup washer. Tighten
to the prescribed torque.
-Fit the oil pump cover, by tightening the two
screws to the prescribed torque.
N.B.
FIT THE BELLEVILLE WASHER SO THAT ITS OUTER RIM
TOUCHES THE PULLEY. MAKE SURE THAT THE PUMP
TURNS FREELY.
Locking torques (N*m)
Screws fixing oil pump to the crankcase
Oil pump command sprocket screw
pump cover screws
0.7 - 0.9
Removing the oil sump
- Remove the oil filler plug, the transmission cover,
the complete drive pulley assembly with belt and
the sprocket wheel, as described in the "Trans-
mission" chapter.
- Drain the oil as described above.
- Remove the 7 screws, shown in the diagram, and
the 2 rear brake fluid pipe fixing brackets.
- Remove the screw, the by-pass piston, the gas-
ket and the centring dowels shown in the figure.
ENG - 152
5 to 6
Oil
10 - 14
Vespa GTV 250 i.e.