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.
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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:
Ignition system check
Remove the spark plugs and
reattach them to the spark
plug caps.
Put the engine stop switch in
the "" position and ignition
switch in the "on" position.
While holding a spark plug
with its base firmly against the
engine, push the electric
starter butt ...
Rear brake light switch inspection and adjustment
Check the rear brake light switch so that the brake light
will come on just before pressure is felt when the brake
pedal is depressed. If the brake light switch adjustment
is necessary, turn the adjuster nut (1) in or out while
holding the brake pedal.
Brake fluid level check
Refer to “bra ...
Starter relay inspection
Inspect the starter relay in the following procedures:
remove the starter relay. Refer to “starter relay removal and
installation” .
Apply 12 v to “a” and “b” terminals and check for
continuity between the positive and negative
terminals using the multi-circuit tester. If th ...