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 playThrottle body inspection and cleaning
Refer to “throttle body disassembly and assembly” .
Cleaning
Some
carburetor cleaning chemicals,
especially dip-type soaking solutions, are
very corrosive and must be handled carefully.
Always follow the chemical manufacturer’s
instructions on proper use, handling and
sto ...
Water hose inspection
Inspect the water hoses in the following procedures:
remove the side cowlings. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Check the water hoses for crack, damage or engine
coolant leakage. If any defect is found, replace the
water hose wi ...
Lower light bulb
Turn the socket 1 counterclockwise
and remove it.
Turn the socket 2 counterclockwise
and remove it.
Remove the bulb 3 from the
socket.
Caution
Oil from your skin may damage
the headlight bulb or shorten
its life.
Grasp the new bulb with a
c ...