First Step

If the engine starts, inspect the engine stop switch (see Switch Inspection in the Electrical System chapter).
Second Step

If the engine does not stop, inspect the engine stop switch (see Switch Inspection in the Electrical System chapter).
If the engine stop switch is good condition, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).
Sidestand Switch Operation Inspection
OthersCheck 3-4: Turn Signal Indicator Light (LED) Inspection
Connect the leads in the same circuit as Check 3-2.
Connect the terminal [5] to the battery (+) terminal.
Connect the terminal [6] to the battery (+) terminal.
Check that the turn signal indicator light (LED) [A] goes
on.
If the indicator light does not go on, replace the meter ...
Stem, Stem Bearing Installation
Replace the bearing outer races with new ones.
Drive them into the head pipe at the same time.
Special Tools - Head Pipe Outer Race Press Shaft [A]:
57001-1075
Head Pipe Outer Race Driver,
55 [B]: 57001
-1446 or Bearing Driver Set: 57001-1129
Apply grease to the outer races.
...
KIBS System Circuit
1. Ignition Switch
2. Front Wheel Rotation Sensor
3. Front Brake Light Switch
4. Joint Connector C
5. Joint Connector D
6. ECU
7. Rear Wheel Rotation Sensor
8. Rear Brake Light Switch
9. Battery 12 V 8.6 Ah
10. Main Fuse 30 A
11. KIBS Motor Relay Fuse 30 A
12. KIBS Solenoid Valve Rela ...