VESPA LX 4T USA Workshop Manual page 84

Engine
Removing the timing system drive
- Temporarily loosen the tensioner central screw
and remove it together with the spring.
- Unscrew the 2 retainers indicated in the figure
and remove the chain tightener support being
careful to recover the sealing gasket.
N.B.
SHOULD THE GASKET NOT BE IN GOOD CONDITIONS,
REPLACE IT AFTER CAREFULLY CLEANING THE FAYING
SURFACE IN ORDER TO AVOID ENGINE OIL LEAKS
- Remove the driving pulley
- Remove the oil pump chain
- Remove the tappet cover
- Remove the central screw and the belleville
washer indicated in the figure and lock the cam-
shaft crown with the specific tool.
N.B.
TO FACILITATE REMOVING THE HEAD COMPONENTS,
SET THE CRANKSHAFT TO THE TIMING POINT (TDC OF
THE COMPRESSION END).
Specific tooling
020565Y Flywheel lock calliper spanner
- Remove the camshaft control pulley and the washer below.
- Remove the pinion of the crankshaft timing control
- To remove the chain lower guiding pad, remove the head by pulling it upwards
N.B.
IT IS ADVISABLE TO MARK THE CHAIN IN ORDER TO ENSURE THAT THE DIRECTION OF RO-
TATION IS MAINTAINED.
See also
Removing the driving pulley
Removal
Removing the rocker-arms cover
ENG - 84
LX 4T USA