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.
Full close
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 ...
Other materials:
Specifications
Service data
Electrical
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Wiring harness routing diagram”
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torque l ...
Water pump disassembly and assembly
Refer to “water pump removal and installation” .
Disassembly
Remove the air bleeder bolt (1) if necessary.
Remove the water pump case screws.
Remove the o-ring (2).
Hold the impeller (3) with water pump pliers and
remove the impeller securing bolt (4).
Remove t ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Rear lighting system construction”
Special tool
...