Suzuki GSX-R 1000 Service Manual: Exhaust control system description
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 operation
The excs is operated by the signal supplied from the ecm. The open/close
operation of the excv is performed by
the excva which is controlled by the ecm by changing the current direction of
the ac ...
Other materials:
Isc valve preset and opening initialization
When removing or replacing the isc valve, set the isc
valve to the following procedures:
turn the ignition switch on.
Set up the sds tool. (Refer to the sds operation
manual for further details.)
Click the “active control”.
Click the “isc learned value reset” (1) ...
Specifications
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Handlebar components” “steering components” “steering
damper construction”
Reference: for the tightening torque of fastener not specified in this
section ...
Excva adjustment
Inspect the excva operation and adjust it if necessary
in the following steps:
Step 1
Set the excva to the adjustment position. Refer to
“excv cable removal and installation” (page 1k-
6).
Step 2
Turn the ignition switch off.
Turn the mode select switch off.
Turn the ...