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:
Cylinder head cover related parts
inspection
Refer to “engine top side disassembly” .
Refer to “engine top side assembly” .
Refer to “cylinder head cover disassembly and assembly” .
Cylinder head cover
Clean and check the gasket grooves “a” and pair reed
valve mating surfaces “b” of the cylinder head cover.
If there is anything unu ...
Pair reed valve removal and installation
Removal
Lift and support the fuel tank with the prop stay.
Refer to “fuel tank removal and installation” in section 1g .
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Remove the pair control solenoid valve (1) along with the ...
Exhaust control system construction
Excv cable no. 1 (Cl)
Excv cable no. 2 (Op)
When
loosening or tightening the pulley bolt, be sure to fix the
pulley with an adjustable wrench, or excva may get damaged.
5 N·m (0.5 Kgf-m, 3.5 Lbf-ft)
42 – 43 Mm (1.65 – 1.69 In)
60 – 61 Mm (2.36 – ...