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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:

Turn signal switch inspection
Inspect the turn signal switch in the following procedures:  remove the air cleaner box. Refer to “air cleaner box removal and installation” in section 1d .  Disconnect the left handlebar switch coupler (1). (Yellow) Inspect the turn signal switch for continuity wit ...

Air cleaner
The air cleaner element must be kept clean to provide good engine power and g1as mileage. If you use your motorcycle under normal low-stress conditions, you should service the air cleaner at the intervals specified. If you ride in dusty, wet, or muddy conditions, you will need to inspect the ...

Specifications
Service data Wattage unit: w Tightening torque specifications Note the specified tightening torque is described in the following. “Rear lighting system construction”  “license plate light components”  “reflex reflector construction” Reference: for the ...

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