If there are notches worn into the splines, replace the sub clutch hub. Also, replace the steel plates if their teeth are damaged.

Clutch Housing Finger Inspection
Damper Cam InspectionAir Cleaner Oil Draining
A drain hose is connected to the bottom of the air cleaner
to drain water or oil accumulated in the cleaner part.
Visually check the drain hose [A] if the water or oil accumulates.
If any water or oil accumulates in the hose, remove the
plug [B] from the drain hose and drain it.
...
For Secondary Fuel Injectors
Remove the fuel tank (see Fuel Tank Removal).
Disconnect the injector connector and connect the harness
adapter [A] between these connectors as shown in
the figure.
Main Harness [B]
Secondary Fuel Injector #1 [C]
Special Tool - Measuring Adapter: 57001-1700
Connect a digital me ...
Meter Operation Inspection
Check 1-1: Switching Inspection
Turn the ignition switch to ON and check the following.
The all LCD segments [A] appear for 3 seconds.
The warning indicator light (Red LED) [B] goes on for 3
seconds and then goes off in a moment after that goes
off.
The warning indicator light (Yellow LED ...