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 playIat sensor removal and installation
Removal
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Remove the iat sensor (1) from the air cleaner box.
Installation
Install the iat sensor in the reverse order of removal.
Pay attention to the following point:
t ...
Spark plugs
Your motorcycle comes equipped
with ngk cr9e or denso
u27esr-n spark plugs. To determine
if the standard spark plug is
right for your usage, check the
color of the plug's porcelain center
electrode insulator after motorcycle
operation. A light brown
color indicates that the plug is correct.
...
Air valve removal and installation
Removal
Remove the wheel assembly. Refer to “front wheel assembly removal and
installation” and “rear wheel assembly removal and installation” .
Remove the tire. Refer to “tire removal and installation” .
Remove the air valve (1) from the wheel.
Installation
Install th ...