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 playRear brake components
Rear brake caliper
Piston seal
Dust seal
Piston
Rear caliper bracket
Rear brake pad set
Rear brake disc
Brake pad spring
6
N·m (0.6 Kgf-m, 4.5 Lbf-ft)
27 N·m
(2.7 Kgf-m, 19.5 Lbf-ft)
12 N·m
(1.2 Kgf-m, 8.5 Lbf-ft)
17 N·m ...
DTC “c91” (p0500): vehicle speed sensor
circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
Speedometer does not receive signal from the vehicle
speed sensor for more than 6 sec. When the motorcycle is
running. Ecm does not receive signal from the vehicle
speed sensor for more than ...
DTC “c14” (p0120-h/l): tp sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C14
Output voltage is not within the following
range.
Difference between actual throttle opening
and opening calculated by ecm is larger
than specified value.
0.2 V ≤ Sensor ...