Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playGeneral description
Engine coolant description
Caution
use a high quality ethylene glycol base
anti-freeze, mixed with distilled water. Do
not mix an alcohol base anti-freeze and
different brands of anti-freeze.
Do not put in more than 60% anti-freeze or
less than 50%. (Refer ...
Cmp sensor removal and installation
Removal
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Remove the pair control solenoid valve. Refer to “pair control solenoid
valve removal and installation” in section 1b .
Disconnect the coupler (1) and remove the cmp
se ...
Water pump removal and installation
Removal
Note
before draining engine oil and engine coolant, inspect engine oil and
coolant leakage between the water pump and crankcase. If engine oil is
leaking, visually inspect the oil seal and o-ring. If engine coolant is
leaking, visually inspect the mechanical seal and s ...