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.

|
Exhaust control system operationSpecifications
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Rear view mirror construction”
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torque list” in section 0c . ...
Specifications
Service data
Valve + guide
unit: mm (in)
Camshaft + cylinder head
unit: mm (in)
Cylinder + piston + piston ring
unit: mm (in)
Conrod + crankshaft
unit: mm (in)
Balancer
unit: mm (in)
Oil pump
Clutch
unit: mm (in)
Drive train
unit: mm (in) except ratio
...
Rear shock absorber disposal
Refer to “rear shock absorber removal and installation” .
The rear shock absorber unit contains high-pressure
nitrogen gas.
Mishandling can cause explosion.
Keep away from fire and heat. High gas
pressure caused by heat can cause an
explosion.
Release gas ...