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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:

Headlight removal and installation
Removal Remove the body cowling assembly. Refer to exterior parts removal and installation in section 9d .  Remove the air intake pipes (1). Refer to exterior parts removal and installation in section 9d . Remove the wiring harness no. 2 (2) By disconnecting the couplers and ...

Specifications
Tightening torque specifications Note the specified tightening torque is described in the following. Chassis bolt and nut inspection Reference: for the tightening torque of fastener not specified in this section, refer to tightening torque list in section 0c . ...

Battery visual inspection
Inspect the battery in the following procedures:  remove the front seat. Refer to exterior parts removal and installation in section 9d (page 9d- 6).  Visually inspect the surface of the battery container. If any signs of cracking or electrolyte leakage from the sides of th ...

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