The exhaust control system (excs) consists of the exhaust control valve (excv), exhaust control valve actuator (excva) and exhaust control valve cables (excv cables).
Excv is installed in the exhaust pipe. Excva is mounted inside of the right frame. The excv is operated by the excva via the cables. This system is designed to improve the engine torque at low engine rpm.

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Exhaust control system operationElectrical parts connector / coupler
Faulty fi system is often related to poor electrical
contact of connector/coupler. Before servicing
individual electronic part, check electrical contact of
the connector/coupler.
When connecting a connector, be sure to push it in
until a click is felt.
With a lock type coupler ...
Know your limits
Always ride within the boundaries
of your own skills. Knowing these
limits and staying within them will
help you avoid accidents.
A major cause of accidents involving
only a motorcycle (and no
cars) is going too fast through a
turn. Before entering a turn, select
an appropriately low corne ...
Rear brake pedal removal and installation
Removal
Remove the master cylinder assembly. Refer to “rear brake master
cylinder assembly removal and installation” .
Disconnect the rear brake light switch lead wire coupler. Refer to
“rear brake light switch inspection” .
Remove the rear brake pedal as shown in the rear ...