This motorcycle is equipped with a exhaust device system. This system controls the valve in the exhaust pipe and produces stable engine power at low and middle engine speed. This exhaust device is controlled by the ECU, and adjustment or maintenance should be done only by a competent mechanic following the instructions in the Service Manual.

A. Exhaust Device Cables
NOTICE
Do not adjust the exhaust device system by yourself. The maladjustment will cause the poor engine performance and engine damage.
Kawasaki Clean Air System
Air CleanerMain Throttle Sensor Resistance Inspection
Turn the ignition switch to OFF.
Measure the main throttle sensor resistance in the same
way as input voltage inspection, note the following.
Disconnect the throttle sensor setting adapter [A] from the
connector of the main harness side.
Special Tool - Throttle Sensor Setting Adapter: 57 ...
Air Switching Valve Installation
Install the air switching valve [A] with hose [B] as shown
in the figure.
Front [C]
Left Side View [D]
White Paint [E]
Air Switching Valve Operation Test
Refer to the Air Suction System Damage Inspection in the
Periodic Maintenance chapter.
Air Switching Valve Unit Test ...
Relay Box Removal
Remove the left fuel tank cover (see Fuel Tank Removal
in the Fuel System (DFI) chapter).
Disconnect the connectors [A].
Pull out the relay box [B] from the rubber protector [C].
NOTE
The relay box has relays and diodes. The relays and
diodes can not be removed.
Relay Box Installa ...