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:
Diagnostic information and procedures
Engine mechanical symptom diagnosis
Refer to “engine symptom diagnosis” in section 1a .
Compression pressure check
The compression pressure reading of a cylinder is a
good indicator of its internal condition.
The decision to overhaul the cylinder is often based on
the results of a compressio ...
If a collision is imminent, do something
Many riders fear locking up their
brakes or haven't learned to
swerve to avoid an accident.
Many inexperienced riders (and
too many seasoned riders) use
only their rear brake in an emergency,
resulting in unnecessary
impacts in some cases and
unnecessarily high impact speeds
in other case ...
Foreword
Motorcycling is one of the most
exhilarating sports and to ensure
your riding enjoyment, you should
become thoroughly familiar with
the information presented in this
owner's manual before riding the
motorcycle.
The proper care and maintenance
that your motorcycle requires is
outlined in t ...