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IGNITION SYSTEM

8-3

ET2C01023

ENGINE STOPPING DUE TO SIDESTAND OPERATION

When the engine is running and the transmission is in gear, the engine will stop if the sidestand is

moved down. This is because the electric current from the ignition coils does not flow to the ECU when

both the neutral switch and sidestand switch are set to “OFF”, thereby preventing the spark plugs from

producing a spark. However, the engine continues to run under the following conditions:

• The transmission is in gear (the neutral switch circuit is open) and the sidestand is up (the sidestand

switch circuit is closed).

• The transmission is in neutral (the neutral switch circuit is closed) and the sidestand is down (the sid-

estand switch circuit is open).

11 9

1. Battery

2. Main fuse

3. Main switch

4. Ignition fuse

5. Engine stop switch

6. Ignition coil

7. Spark plug

8. ECU (engine control unit)

9. Sidestand switch

10.Relay unit (diode)

11.Neutral switch

12.Engine ground

Yamaha YZFR6V User Manual

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