Crankshaft Oil Seals; Refitting - PIAGGIO MSS Fly 50 4T Workshop Manual

Engine

Crankshaft oil seals

Removal
- Check that the chain contrast pad is not worn.
-Otherwise, replace the pad or fit it inverted to
make it work on the other side.
- Any operation on the chain cover oil seal should
be carried out placing the cover on the workbench
on the covering plate side of the oil pump chain.
-Remove the oil seal with a tube section of 30 mm
in diameter (Ø 32 mm Max).
- Extract the flywheel oil seal from the crankcase
being careful not to damage or score the crank-
case.

Refitting

- Apply engine oil on the oil seal and it seating on
the crankcase.
- From the outside and using the specific punch,
place the oil seal fully down until it reaches the
bottom of the seating in the crankcase.
N.B.
FAILURE TO USE THE SPECIFIC TOOL CAN RESULT IN
AN INCORRECT DEPTH POSITION AND AS A CONSE-
QUENCE IN INADEQUATE OIL SEALING.
ENG - 108
MSS Fly 50 4T