Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playExcva pulley inspection
Inspect the excva pulley in the following procedures:
remove the excva pulley. Refer to “excv cable removal and installation”
.
Visually inspect the excva pulley for wear and
damage. If there is anything unusual, replace the
pulley with a new one.
Install the pulle ...
Specifications
Service data
Wattage
unit: w
Tightening torque specifications
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torque list” in section 0c . ...
Injection timing description
Injection time (injection volume)
The factors to determine the injection time include the basic fuel injection
time, which is calculated on the basis of the
intake air pressure, engine speed and throttle opening angle, and various
compensations. These compensations are
determined according to ...