Removing The Valves - VESPA LX 150 4T Euro 3 Service Station Manual

Engine

Removing the valves

- Using the specific tool fitted with the element
shown in the figure, remove the cotters, the caps
and the spring between the valves.
Specific tooling
020382Y Valve cotters equipped with part 012
removal tool
020382Y011 adapter for valve removal tool
- Remove the oil seals with the appropriate tool.
- Remove the lower spring supports.
Specific tooling
020431Y Valve oil seal extractor
Removing the cylinder - piston assy.
- Remove the chain guide slider.
- Remove the cylinder base gasket.
CAUTION
TO AVOID DAMAGING THE PISTON, SUPPORT IT WHILE
REMOVING THE CYLINDER.
- Remove the two retainer rings, the wrist pin and
the piston.
- Remove the 3 piston rings from the piston.
N.B.
BE CAREFUL NOT TO DAMAGE THE PISTON RINGS DUR-
ING REMOVAL.
ENG - 98
Vespa LX 125 - 150 4T Euro 3