PIAGGIO 500 cc Service Manual page 67

- Unloose the tightener central screw.
- Unloose the 2 fixing screws and remove the tightener
and relevant gasket.
- Remove the internal hexagonal-head screw and the
counterweight, as shown in the figure.
- Remove the timing chain gear from the camshaft
- Remove the timing chain gear.
- Remove the phonic wheel.
Thermal unit and timing system
05_161
05_162
7
05_163
05_164
7 - 5