Engine cooling symptom diagnosis

Schematic and routing diagramHelmet holders
This motorcycle has helmet holders
underneath the rear seat.
Hook your helmet on the helmet holder and lock the seat.
Warning
Riding with a helmet fastened
to the helmet holder can interfere
with rider control.
Never carry a helmet fastened
to the helmet holder. Fix the
...
Batiery
The battery is located under the
front seat. Remove the front seat
by referring to the seat lock
and helmet holders section.
This battery is sealed type
and requires no maintenance.
Have your dealer check the battery's
state of charge periodically.
The standard charging rate is
1.2A x ...
DTC “c28” (p1655): secondary throttle
valve actuator (stva) malfunction
Detected condition and possible cause
Detected condition
Possible cause
The operation voltage does not reach the stva.
Ecm does not receive communication signal from the
stva. Stva can not operate properly or its motor locked
Stva malfunction.
...