The brake lever adjuster has 6 positions so that the brake lever position can be adjusted to suit the operator’s hand.
The distance from the grip to the lever is minimum at number 6 and maximum at number 1.

Brake Pedal Position InspectionWhat 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 ...
Rebound Damping Force Adjustment
To adjust the rebound damping force, turn the rebound
damping adjuster [A] to the desired position.
The standard adjuster setting is the 1 3/4 turns out from
the fully clockwise position.
Rebound Damping Force Adjustment
...
ECU Communication Error (Service Code 39)
ECU Communication Line Inspection
When the data is not sent from the ECU to the meter unit
for more than about 10 seconds, the service code 39 is
displayed.
The data is sent through the CAN communication line.
The service code 39 is detected with the meter unit.
When the user mode, this commun ...