VESPA GTV 250 i.e. 2008 Service Station Manual page 149

Vespa GTV 250 i.e.
- Orientate the oil seal by inserting the bracket
which is part of the appropriate tool
- Tighten the threaded bar onto the crankshaft as
far as it will go
- Use the nut to move the base of the tool until you
can see the end of the oil seal driving stroke
- Remove all the tool components following the
procedure but in reverse order.
CAUTION
DO NOT LUBRICATE THE KEYING SURFACE ONTO THE
ENGINE CRANKCASE
CAUTION
ORIENT THE OIL SEAL BY POSITIONING THE CHAIN
HOUSING CHANNEL FACING DOWNWARDS. WHEN THE
POSITION IS REACHED, DO NOT RETRACT THE OIL
SEAL. FAILURE TO COMPLY WITH THIS RULE CAN
CAUSE A WRONG POSITIONING OF THE OIL SEAL
SHEATH
CAUTION
FAILURE TO COMPLY WITH THIS ASSEMBLY PROCE-
DURE CAN SERIOUSLY DAMAGE THE ENGINE DUE TO
THE WRONG TENSIONING OF THE OIL PUMP CONTROL
CHAIN
Specific tooling
020622Y Transmission-side oil seal punch
Oil pump
Engine
ENG - 149