If the radiator fan relay is normal, 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).
Radiator Fan Circuit

1. ECU
2. Fan Motor
3. Ignition Switch
4. Joint Connector F
5. Fuse Box 1
6. Ignition Fuse 15 A
7. Relay Box
8. Fan Relay
9. Frame Ground 3
10. Fuse Box 2
11. Fan Fuse 15 A
12. Starter Relay
13. Main Fuse 30 A
14. Battery
15. Engine Ground
Radiator Fan Relay Removal/InstallationWheel Inspection
Raise the front/rear wheel off the ground.
Special Tools - Jack: 57001-1238
Jack Attachment: 57001-1608
Spin the wheel lightly, and check for roughness or binding.
If roughness or binding is found, replace the hub bearings
(see Hub Bearing Removal/Installation).
Inspect the wh ...
Throttle Body Assy Disassembly
1. Throttle Body Assy
2. Subthrottle Valve Actuator
3. Idle Speed Control Valve Actuator
4. Main Throttle Sensor
5. Subthrottle Sensor
6. Primary Fuel Injectors
7. Delivery Pipe Assy
NOTICE
Do not remove, disassemble or adjust the main
throttle sensor, subthrottle sensor, subthrottle
v ...
Clutch Installation
Apply engine oil to the needle bearing [A] and the sleeve
[B].
Install:
Needle Bearing
Sleeve
Install the clutch housing [A].
Fit the holes [B] and projections [C].
Engage the clutch housing gear and the crankshaft primary
gear.
Install the spacer [A] and the clutch ...