VESPA 946 E4 EMEA 2021 Manual page 168

Engine
- Use the specific tool to remove the valve oil seal.
Specific tooling
020431Y Valve oil seal extractor
- Slide off the valve and remove the lower support.
Removing the cylinder - piston assy.
- Remove the cylinder, paying attention to the cyl-
inder-crankcase alignment dowels.
CAUTION
TO PREVENT DAMAGING THE PISTON, SUPPORT IT
WHILE REMOVING THE CYLINDER.
N.B.
IN ORDER NOT TO DAMAGE THE BASE GASKET WITH
THE PISTON LOCK FORK 020426Y DURING THE MOUNT-
ING PHASE, IT IS RECOMMENDED TO INSERT THE
ALIGNMENT DOWELS OF THE CYLINDER - CRANKCASE
UNDER THE CYLINDER DURING THE ASSEMBLY.
- Remove the base gasket.
- Remove the retainer rings and remove the piston.
N.B.
BE CAREFUL NOT TO DAMAGE THE SEALING RINGS
DURING REMOVAL.
ENG - 168
Vespa 946 E4-E5 EMEA-USA-ASIA (2021-)