VESPA GTV 250 i.e. 2008 Service Station Manual page 136

Engine
Refitting the rocker-arms cover
- Refit the cylinder head cover and tighten the 5
clamping screws to the specified torque.
- Make sure the gasket is positioned properly.
Locking torques (N*m)
Tappet cover screws
ENG - 136
6 - 7 Nm
Vespa GTV 250 i.e.