Removing The Oil Sump - VESPA GTS 250 I.E. Workshop Manual

Engine
- Fit the sprocket wheel with a new O-ring.
- Fit the chain.
- Fit the pulley, the central screw and the Belleville
washer. Tighten to the specified 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 5 - 6
Oil pump control crown screw 10 ÷ 14 Oil 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 previously.
- Remove the seven screws, shown in the dia-
gram, and the two rear brake fluid pipe fixing
brackets.
- Remove the screw, the by-pass piston, the gas-
ket and centring dowels shown in the figure.
ENG - 64
Vespa GTS 250 I.E.