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/InstallationStarter Relay Inspection
Remove the front seat (see Front Seat Removal in the
Frame chapter).
Remove the battery negative (–) cable from the battery
negative (–) terminal (see Battery Removal).
Take the starter relay [A] off the rear fender.
Remove the cover [B].
Remove:
Starter Motor Cable [A] ...
Stopping the engine
Close the throttle completely.
Shift the transmission into neutral
Turn the ignition key to “OFF”.
Support the motorcycle on a firm,
level surface with the side stand.
Lock the steering.
NOTE
The motorcycle is equipped with a
vehicle-down sensor, which causes
the engine to sto ...
Connecting Rod Installation
NOTICE
To minimize vibration, the connecting rods should
have the same weight mark.
Big End Cap [A]
Connecting Rod [B]
Weight Mark, Alphabet [C]
Diameter Mark [D] (“” or No Mark)
NOTICE
If the connecting rods, big end bearing inserts, or
crankshaft are replaced with new ones, select ...
