If they appear damaged or deteriorated, replace them.

Balancer Adjustment
Torque LimiterValve-to-Guide Clearance Measurement (Wobble Method)
If a small bore gauge is not available, inspect the valve
guide wear by measuring the valve to valve guide clearance
with the wobble method as indicated below.
Insert a new valve [A] into the guide [B] and set a dial
gauge against the stem perpendicular to it as close as
possible to the cy ...
Steering Play Adjustment
Remove:
Steering Stem Head with Handlebars (see Handlebar
Removal in the Steering chapter).
Bend the claws [A] of the claw washer [B] straighten.
Remove:
Steering Stem Locknut [C]
Claw Washer
Adjust the steering using the steering stem nut wrench
[A].
Special Tool - Ste ...
Caliper Fluid Seal Damage
The fluid seal (piston seal) [A] is placed around the piston
to maintain clearance between the pad and the disc. If
the seal is in a poor condition, it could lead the pad to wear
excessively or the brake to drag, which may cause the temperature
of the discs or the brake fluid to increase.
Re ...