Engine cooling symptom diagnosis

Schematic and routing diagramSpark plug inspection and cleaning
Inspect spark plug
every 6 000 km (4 000 miles, 12 months)
Heat range
Remove the spark plugs. Refer to “ignition coil and spark plug removal
and installation” in section 1h .
Check spark plug heat range by observing electrode
color. If the electrode of the spark plug is wet
appe ...
Schematic and routing diagram
Fuel tank drain hose and breather hose routing diagram
Fuel tank water drain hose
Fuel tank breather hose no. 1
Fuel tank breather hose no. 2
Fuel tank breather hose no. 3
3-Way joint
Frame
White marking
Set the
hose end to the root of tank nippl ...
Cylinder head related parts inspection
Refer to “cylinder head disassembly and assembly” .
Cylinder head distortion
Decarbonize the combustion chambers.
Check the gasket surface of the cylinder head for
distortion. Use a straightedge and thickness gauge.
Take clearance readings at several places. If
readings exceed the ...