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IF THE IGNITION SYSTE FAILS (NO SPARK OR INTERMIT-
TENT SPARK)
PROCEDURES
Check:
1. Spark plug.
2. Gap between electrodes
3. Resistance of the connector
4. Ignition coil.
5. Main switch.
6. Resistance of the impulse coil.
7. Resistance of the field coil.
8. Ignition system connections.
N.B.
- REMOVE THE FOLLOWING PARTS BEFORE DIAGNOSIS: 1)
FAIRING AND SEATS
TENT
SPARK)
1. Spark plug
- Check the spark plug condition.
- Check the type of spark plug.
- Check the gap between the electrodes.
SeeSPARK PLUG INSPECTION” in CHAPTER 3.
Gap between electrodes:
0.7 ÷ 0.8 mm
Standard spark plug
NGK BR8ES
OUTSIDE THAT SPECIFIED
Renew the spark plug.
2. Gap between electrodes
- Disconnect the spark plug connector.
- Connect the spark tester (1) as in the figure (2) Spark plug.
- Turn the main switch to “ON.
- Check the gap between the electrodes (a).
- Start the engine and increase the gap until the spark
begins to fail.
Minimum electrode gap:
6 mm
CONFORMS TO SPECIFICATIONS
The ignition system is normal.
CONFORMS TO SPECIFICATIONS
OUTSIDE THAT SPECIFIEDOUTSIDE
THAT SPECIFIED
137


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