Apply high-temperature grease to the following.
Coupling Grease Seal Lips [A] Coupling Internal Surface [B] Ball Bearing [C]


Rear Sprocket Installation
Coupling Bearing RemovalHub Bearing Installation
Before installing the hub bearings, blow any dirt or foreign
particles out of the hub with compressed air to prevent
contamination of the bearings.
Replace the bearings with new ones.
Install the bearings by using the bearing driver set which
does not contact the bearing inner race.
...
What is a Limited Warranty?
The most important thing to know about your warranty is that it protects you
from manufacturing defects in material or workmanship during the warranty
period.
You can find the warranty period in the Kawasaki Limited Warranty Certificate
your Kawasaki dealer provided to you at the time of sale ...
ECU Removal
NOTICE
Never drop the ECU especially on a hard surface.
Such a shock to the ECU can damage it.
Remove the upper air cleaner housing (see Air Cleaner
Element Replacement in the Periodic Maintenance chapter).
Lift up the ECU [A] with rubber protector [B] to disconnect
the connectors [C]. ...