NOTE
Be sure the battery is fully charged.


Main Harness [B] To Gear Position Switch [C] To Sidestand Switch [D]
Special Tool - Measuring Adapter: 57001-1700
Gear Position Switch Output Voltage Connections to Adapter: Digital Meter (+) → R (sensor G/R) lead Digital Meter (–) → Frame Ground terminal

When changing the gear position from lower gear to higher gear, raise the rear wheel off the ground with a suitable stand and rotate the rear wheel by hand.
Output Voltage at 1
6 Gear
Positions
Standard:
1st About DC 3.0 V
2nd About DC 2.5 V
3rd About DC 2.0 V
4th About DC 1.5 V
5th About DC 1.1 V
6th About DC 0.7 V
Turn the ignition switch to OFF
If the reading is out of the standard, check the wiring for continuity, using the wiring diagram in this section.
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).
Gear Position Switch Circuit

1. ECU
2. Gear Position Switch
3. Meter Unit
4. Relay Box
5. Frame Ground 1
Gear Position Switch Removal/Installation
Front Wheel Rotation Sensor Signal (Service Code 27)Cable Removal
Remove:
Air Cleaner Housing (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter)
Right Lower Fairing (see Lower Fairing Removal in the
Frame chapter)
Loosen the nuts [A], and slide the lower end of the clutch
cable to give the cable plenty of play.
Screw in the ...
Exhaust Butterfly Valve Actuator Sensor Input Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Remove the front seat (see Front Seat Removal in the
Frame chapter).
Remove the screws [A] and the exhaust butterfly valve
actuator temporarily with the cables installed.
Disconnect the exhaust butterf ...
Balance Adjustment
If the wheel always stops in one position, provisionally
attach a balance weight [A] on the rim at the marking using
adhesive tape.
Rotate the wheel 1/4 turn [B], and see whether or not the
wheel stops in this position. If it does, the correct balance
weight is being used.
If the whe ...