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 playInspection after cleaning
For extended life of your motorcycle,
lubricate according to "general
lubrication" section .
Warning
Wet brakes can cause poor
braking performance and may
lead to an accident.
Avoid a possible accident by
expecting longer stopping distances
after washing your
...
DTC “c46” (p1657-h/l or p1658): excv
actuator circuit malfunction
Detected condition
Possible cause
C46
The operation signal does not reach the
excv actuator.
Excva position sensor voltage low or
high
0.14 V ≤ Sensor voltage < 4.9 V
(without the above range)
excva can not operate properly.
Excva ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Water hose routing diagram” “water pump components” “water
pump construction”
Special tool
...