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 operationTransmission components
2Nd drive gear
6Th drive gear
3Rd/4th drive gear
5Th drive gear
Countershaft/1st drive gear
Driveshaft
2Nd driven gear
6Th driven gear
3Rd driven gear
4Th driven gear
5Th driven gear
1St driven gear
Gearshift cam stopper
Gearshi ...
Show data when trouble (displaying data at
the time of DTC)
Use of sds
Ecm stores the engine and driving conditions (in the form of data as shown in
the figure) at the moment of the
detection of a malfunction in its memory. This data is called “show data when
trouble”.
Therefore, it is possible to know engine and driving conditions (e.G., Whether
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Engine oil and filter change
Change the engine oil and oil filter
at the scheduled times. The
engine should always be warm
when the oil is changed so the oil
will drain easily. The procedure is
as follows:
Place the motorcycle on the
side stand.
Remove the three screws of
the right fairing 1.
...