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
|
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:
Throttle valve synchronization
Check and adjust the throttle valve synchronization
among four cylinders.
Start the engine and run it in idling condition
for
warming up.
Stop the warmed-up engine.
Lift and support the fuel tank. Refer to “fuel
tank
removal and installation” in section 1g (page ...
Regulator / rectifier removal and installation
Removal
Turn the ignition switch off.
Remove the right side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
Remove the evap system purge ...
Precautions
Precautions for engine electrical device
Refer to “general precautions” in section 00 (page 00-1) and “precautions for
electrical circuit service” in section 00
(page 00-2).
Component location
Engine electrical components location
Refer to “electrical components location” in section 0a .
Dia ...