Engine mechanical symptom diagnosis
Refer to “engine symptom diagnosis” in section 1a .
Compression pressure check
The compression pressure reading of a cylinder is a good indicator of its internal condition.
The decision to overhaul the cylinder is often based on the results of a compression test. Periodic maintenance records kept at your dealership should include compression readings for each maintenance service.
Note
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Special tool
(a): 09915–64512 (compression
gauge)
(b): 09915–63311 (compression gauge
attachment)
Compression pressure specification
Low compression pressure can indicate any of the following conditions:
Overhaul the engine in the following cases:
Front brake disc inspection
Brake disc thickness
Check the brake disc for damage or cracks and measure
the thickness using the micrometer.
Replace the brake disc if the thickness is less than the
service limit or if defect is found.
Special tool
(a): 09900–20205 (micrometer (0 –
25 mm))
Brake disc thickness
service ...
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.
...
Pair reed valve removal and installation
Removal
Lift and support the fuel tank with the prop stay.
Refer to “fuel tank removal and installation” in section 1g .
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Remove the pair control solenoid valve (1) along with the ...