PIAGGIO MP3 400 i.e. Service Manual page 237

MP3 400 i.e.
- By the driving pulley, turn the engine to find the
alignment of the references to identify the TDC.
- Repeat for the reference between driving pulley
and engine crankcase.
- Replace the inspection cap on the flywheel side.
- Connect the diagnostic tester.
- Start the engine.
- Select the menu on the "parameter" function.
- Select the stroboscopic light command in the tra-
ditional 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.
If the values do not match, check:
- distribution timing
- revolution-timing sensor
- Injection control unit
Injection
INJEC - 41