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:
Oil pump removal and installation
Note
be careful not to drop any parts into the
crankcase.
Removal
Remove the oil pan, oil pressure regulator and oil strainer. Refer to
“oil pan / oil pressure regulator / oil strainer removal and installation” .
Remove the oil pump driven gear bolt (1).
Rem ...
Throttle cable removal and installation
Removal
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” .
Remove the right handlebar switch box. Refer to “handlebar removal and
installation” in section 6b .
Remove the throttle cables as shown in the cable routing diagram. Refer
to “thro ...
Cylinder head cover disassembly and
assembly
Disassembly
Remove the cylinder head cover. Refer to “engine top side disassembly” .
Remove the gaskets (1) and (2).
Remove the pair control solenoid valve (3) along
with the pair reed valve covers (4).
Remove the pair reed valves (5) and cmp sensor
(6).
As ...