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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.

Suzuki GSX-R. Exhaust control system description


  1. Exhaust control valve actuator (excva)
  2. Exhaust control valve (excv)
General description
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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:

Ap sensor removal and installation
Removal Remove the front seat. Refer to exterior parts removal and installation in section 9d (page 9d- 6).  Disconnect the starter relay (1) from the holder. Disconnect the coupler (2) and remove the ap sensor (3). Installation Install the ap sensor in the rever ...

Battery runs down quickly
Troubleshooting Step Action Yes No 1 Check accessories which use excessive amounts of electricity. Are accessories being installed? Remove accessories. Go to step 2. 2 Check the battery for current leakage. Refer to battery cu ...

Special tools and equipment
Recommended service material Note required service material is also described in the following. Handlebar components  steering components  steering damper construction Special tool ...

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