Engine cooling symptom diagnosis

Schematic and routing diagramEngine top side disassembly
It is unnecessary to remove the engine assembly from
the frame when servicing the cylinder head cover and
camshafts.
Note
before servicing the engine top side
components (until camshafts removal) with
the engine in place, remove the following
parts:
air cleaner box
...
Valve seat repair
The valve seats (1) for both the intake and exhaust
valves are machined to three different angles. The seat
contact surface is cut at 45°.
Intake valve
Exhaust valve
Caution
the valve seat contact area must be
inspected after e ...
Engine coolant temperature indicator light inspection
Inspect the engine coolant temperature meter and indicator light (led) in the
following procedures:
remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Disconnect the ect sensor coupler (1).
Connect a variable resistor (2) ...