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 playGearshift shaft construction
Gearshift shaft
Washer
Snap ring
Gearshift shaft return spring
Gearshift cam drive plate
Gearshift plate return spring
8.5 N·m (0.85 Kgf-m,
6.0 Lbf-ft)
13 N·m
(1.3 Kgf-m, 9.5 Lbf-ft)
19 N·m
(1.9 Kgf-m, 13.5 Lbf-ft)
Apply ...
Side standngnition interlock switch
Check the side stand/ignition
interlock system for proper operation
as follows:
Sit on the motorcycle in the
normal riding position, with the
side stand up.
Shift into first gear, hold the
clutch in, and start the engine.
While continuing to hold the
clutch in ...
DTC “c23” (p1651-h/l): to sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C23
The sensor voltage should be the
following for 2 sec. And more, after ignition
switch is turned on.
0.2 V ≤ Sensor voltage < 4.8 V
To sensor circuit open or shor ...