Gilera 633721 Workshop Manual page 260

Injection
- 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 «parameter» function in this menu.
- 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
- rpm-timing sensor
- Injection control unit
Coolant temperature sensor
Electric characteristic
TERMINALS: 4 - 22
CONDITIONS : coolant temperature
STANDARD:
With connected sensor:
20° = 2500 ± 100 Ω
INJEC - 260
Nexus 500 euro 3