Air Switching Valve Removal/Installation
Air Switching Valve Inspection
If the air switching valve [A] is normal, check the wiring for continuity (see Air Switching Valve Circuit).
Special Tool - Hand Tester: 57001-1394
If the wiring is good, check the ECU for its ground and power supply (see ECU Power Supply Inspection in the Fuel System (DFI) chapter).
If the ground and power supply are good, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).

Air Switching Valve Circuit

1. ECU
2. Air Switching Valve
3. Ignition Switch
4. Joint Connector F
5. Joint Connector A
6. Fuse Box 1
7. Ignition Fuse 15 A
8. Relay Box
9. ECU Main Relay
10. Frame Ground 1
11. Frame Ground 3
12. Starter Relay
13. ECU Fuse 15 A
14. Main Fuse 30 A
15. Battery
16. Engine Ground
Exhaust Butterfly Valve Actuator Resistance InspectionUnit Setting
The unit setting in the meter instrument
can be changed according to local
regulations. Make sure the unit setting
is correctly displayed before riding.
A. Speedometer
B. Meter Display Units
NOTE
Do not operate the motorcycle with
wrong unit (mph or km/h) of the
speedometer.
To change ...
Drive Chain Wear Inspection
Remove the chain cover (see Drive Chain Removal/Installation
in the Final Drive chapter).
Rotate the rear wheel to inspect the drive chain for damaged
rollers, and loose pins and links
If there is any irregularity, replace the drive chain.
Lubricate the drive chain if it appears dry.
...
Rebound Damping Force Adjustment
The rebound damping force adjuster
is located at the upper end of the rear
shock absorber.
A. Rebound Damping Force Adjuster
B. To increase damping force
C. To decrease damping force
Using a screwdriver turn the rebound
damping force adjuster clockwise
to increase rebound damping or ...