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 playSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Front fork components”
Special tool
...
Gearshift lever
This motorcycle has a 6-speed
transmission which operates as
shown. To shift properly, squeeze
the clutch lever and close the
throttle at the same time you
operate the gearshift lever. Lift the
gearshift lever to upshift and
depress the lever to downshift.
Neutral is located between lo ...
Dtc “c36” (p1764), “c37” (p1765), “c38” (p1766) or “c39” (p1767): secondary
fuel injector circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
Some failure exists in the fuel injector signal in a high
load, high revolution condition.
Injector circuit open or short.
Injector malfunction.
Ecm malfunction.
...