Technical data

103
CYLINDER ASSY. AND TIMING SYSTEM
REMOVING THE INTAKE MANIFOLD
- Remove the flywheel cover as described in the Flywheel
cover chapter.
- Loosen the 3 screws and remove the intake manifold.
N.B.
VERSION 125 CC IS PROVIDED WITH ANTITAMPERING
SCREWS.
REMOVING THE ROCKER-ARMS COVER
Remove the 5 screws shown in the figure.
REMOVING THE TIMING SYSTEM DRIVE
- Remove all of the parts below: transmission cover, driving
pulley with belt, start-up pinion, oilsump with spring and by-
pass piston, oil pump pulley cover, O-Ring on the driving
shaft and pinion separating washer.
- Remove the tappet cover.
- Remove the central screw and the valve lifting mass stop
bell shown in the figure.
- Remove the return spring of the automatic valve lifting
mass, the valve lifting mass with relevant travel end washer.
CYLINDER ASSY. AND TIMING SYSTEM
REMOVING THE ROCKER ARMS COVER
REMOVING THE TIMING SYSTEM DRIVE