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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:

Rear wheel assembly construction
Rear sprocket nut Rear axle nut Brake disc bolt Clearance 60 N·m (6.0 Kgf-m, 43.0 Lbf-ft) 100 N·m (10 kgf-m, 72.5 Lbf-ft) 35 N·m (3.5 Kgf-m, 25.5 Lbf-ft) Apply grease. Apply thread lock to the thread part. ...

Schematic and routing diagram
Fuel tank drain hose and breather hose routing diagram Fuel tank water drain hose Fuel tank breather hose no. 1 Fuel tank breather hose no. 2 Fuel tank breather hose no. 3 3-Way joint Frame White marking Set the hose end to the root of tank nippl ...

Precautions
Precautions for engine electrical device Refer to “general precautions” in section 00 (page 00-1) and “precautions for electrical circuit service” in section 00 (page 00-2). Component location Engine electrical components location Refer to “electrical components location” in section 0a . Dia ...

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