PIAGGIO 500 cc Service Manual page 86

- Remove any LOCTITE residuals from the camshaft
stop bracket fixing screws by means of a brush.
- Apply LOCTITE 242 to the fixing screws after clean-
ing them from any residual of thread locking com-
pound.
- Assemble the camshaft stop bracket with countersinks
well visible. Tighten the 3 fixing screws to the pre-
scribed torque taking care not to damage the internal
hexagon.
Tightening torque:
Camshaft stop bracket fixing screws: 4 - 6 N·m
- Check that the phonic wheel timing pin opening and
toothing show no signs of deformation or dents.
- Assemble the phonic wheel on the camshaft, keeping
the timing reference mark visible.
- Assemble the engine revs-timing sensor with a new
O ring as shown in the figure. Tighten the 2 fixing
screws to the prescribed torque.
N.B.: Check this component as described in Chapter 9-
Injection.
Tightening torque:
Timing revs sensor fixing screws: 3 - 4 N·m
7 - 24
Thermal unit and timing system
05_166
05_221
05_222
05_223