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 playIgnition coil and spark plug removal and
installation
Removal
The hot
engine can burn you.
Wait until the engine is cool enough to touch.
Turn the ignition switch off.
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the lead wire couplers (1).
...
Carrying a passenger
Carrying a passenger, when done
correctly, is a great way to share
the joy of motorcycling. You will
have to alter your riding style
somewhat since the extra weight
of a passenger will affect handling
and braking. You may also need
to adjust tire pressures and suspension;
please refer to the ...
Specifications
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Chassis bolt and nut inspection”
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torque list” in section 0c . ...