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Suzuki GSX-R 1000 Service Manual: 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 actuator motor. The position sensor (incorporated in the excva) detects the excva movement by measuring the voltage and then the ecm determines the excv opening angle based on the engine rpm and gear positions. Every time the ignition switch is turned on, the excva automatically drives the excv and detects full close/open position voltages and sets the excv to middle position.

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Suzuki GSX-R. Full close


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Suzuki GSX-R. Full open


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 ex ...

Repair instructions
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Other materials:

To sensor removal and installation
Removal Remove the ap sensor. Refer to ap sensor removal and installation .  Disconnect the coupler (1) and remove the to sensor (2). Installation Install the to sensor in the reverse order of removal. Pay attention to the following point:  when installing the to s ...

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 ...

Specifications
Service data Suspension unit: mm (in) Tightening torque specifications Note the specified tightening torque is described in the following. Rear suspension components  rear suspension assembly construction Reference: for the tightening torque of fastener ...

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