If they appear damaged or deteriorated, replace them.

Balancer Adjustment
Torque LimiterCylinder (Upper Crankcase) Wear Inspection
Split the crankcase (see Crankcase Splitting).
Remove the pistons (see Piston Removal).
Assemble the cylinder (upper crankcase) [A], the cylinder
head [B] and the cylinder head gasket [C].
Tighten the cylinder head bolts (see Cylinder Head Installation
in the Engine Top End chapter).
...
Electronic Steering Damper Warning Indicator Light
The yellow light functions as the
electronic steering damper warning indicator.
The light and warning symbol
"ESD" go on if there is a malfunction in
the electronic steering damper system.
However, this could also be caused by
trouble with the charging system (e.g.
battery). I ...
Throttle Body Assy Installation
Apply a thin coat of grease to the throttle cable lower ends.
Fit the accelerator cable end [A] and the decelerator cable
end [B] into the throttle pulley.
Install the clamp [C] securely.
Install the throttle body assy holder clamp bolt heads [A]
outside as shown in the figure.
...