If they appear damaged or deteriorated, replace them.

Balancer Adjustment
Torque LimiterWhat Are The Dealership’s Responsibilities?
Your Kawasaki dealer offers a wide range of services, parts, accessories, and
information on your product and on Kawasaki.
Each dealer is independently owned and operated and is responsible for the
dealership’s
operations, its repair, warranty, and service work, and its personnel.
Your dea ...
Subthrottle Valve Actuator Inspection
NOTE
Be sure the battery is fully charged.
Remove the air cleaner housing (see Air Cleaner Housing
Removal in the Fuel System (DFI) chapter).
Turn the ignition switch to ON.
Check to see that all the subthrottle valves [A] open and
close smoothly.
Turn the ignition switch to OFF.
I ...
Tie-Rod and Rocker Arm Bearing Installation
Replace the needle bearings [A] and oil seals with new
ones.
Apply plenty of grease to the lips of the oil seals.
Install the needle bearings and oil seals position as shown
in the figure.
Screw the needle bearing driver into the driver holder.
Insert the needle bearing driver into th ...