PIAGGIO Beverly 500 i.e., Workshop Manual

Page: 133 / 382

- Repeat for the reference between driving pulley
and transmission housing.
- Refit the inspection cap on the flywheel side.
- Connect the diagnostic tester.
- Start the engine.
- Select the «parameters» function in this menu.
- Select the stroboscopic light control in the tradi-
tional four-stroke engine position (1 spark, 2 revs).
- Check that the real values of rpm and ignition
advance match those measured using the diag-
nostic tester.
Specific tooling
020680Y Diagnosis Tool
If the values do not match, check:
- distribution timing
- revolution timing sensor
- injection control unit
This section described the operations to be carried out on the manifold components.
Inspecting the radial air gap
- Align a tooth of the tone wheel with the revolution timing sensor.
- Check the air gap using a probe.
Characteristic
Standard air gap:
from 0.20 to 0.70 mm
Beverly 500 i.e.
Engine
ENG - 133