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:
Idle speed
Adjust the engine idle speed periodically on the engine at normal operating
temperature.
To adjust the idle speed:
Lift the fuel tank by referring to
the air cleaner section.
Start the engine and warm it
up by running at idling speed
for 10 minutes in summer
(where ambie ...
Fuel line inspection
Inspect fuel line
every 6 000 km (4 000 miles, 12 months)
Inspect the fuel line in the following procedures:
lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
Inspect the fuel feed hose (1) for damage and fuel
leakage. ...
Accessory use
The addition of unsuitable accessories
can lead to unsafe operating
conditions. It is not possible
for suzuki to test each accessory
on the market or combinations of
all the available accessories; however,
your dealer can assist you in
selecting quality accessories and
installing them correc ...