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 InspectionTorque Limiter Removal
Remove:
Starter Motor (see Starter Motor Removal in the Electrical
System chapter)
Throttle Body Assy Holder [A]
Breather Hose [B]
Roll up the heat insulation rubber plate [C].
Remove:
Torque Limiter Cover Bolts [A]
Torque Limiter Cover [B]
Remove:
Torque Limit ...
Premuffler Chamber Removal
Remove:
Muffler Body (see Muffler Body Removal)
Right Lower Fairing (see Lower Fairing Removal in the
Frame chapter)
Front Seat (see Front Seat Removal in the Frame chapter)
Oxygen Sensor (Equipped Models) (see Oxygen Sensor
Removal (Equipped Models) in the Electrical System
chapter ...
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 ...