Engine cooling symptom diagnosis

Schematic and routing diagramGenerator inspection
Generator coil resistance
Remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Disconnect the generator coupler (1).
Measure the resistance between the three lead
wires.
If the resistance is out of specified value, replace the
...
Engine assembly removal
Before taking the engine out of the frame, wash the
engine using a steam cleaner. Engine removal is
sequentially explained in the following steps:
remove the side cowlings. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Remove the front seat. R ...
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.
...