Lubrication Circuit - VESPA GTV 250 i.e. 2008 Service Station Manual

Vespa GTV 250 i.e.
Studs
Check that the stud bolts have not worked loose
from their seat in the crankcase.
Check the depth of stud bolt driving with a gauge,
as indicated in the picture. If it varies significantly
from the driving depth indicated, it means that the
stud bolt has yielded.
In this case, replace it.
By working on two fitted cylinder head fixing nuts,
nut and lock nut, as shown in the picture, remove
the stud bolt from its seat.
Clean the threaded seat on the carter thoroughly.
Refit a new stud bolt and apply the special product
on the threading crankcase side.
Tighten up to the depth of the driving indicated.
Recommended products
Loctite 270 High resistant threadlock.
green
Lubrication
Conceptual diagrams

LUBRICATION CIRCUIT

Engine
ENG - 145