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 playOil cooler / oil cooler hose removal and
installation
Refer to “electrical components location” in section 0a .
Removal
Turn the ignition switch off.
Remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Drain engine oil. Refer to “engine oil and filter replacement” in
section 0b .
...
Rear turn signal light bulb replacement
Caution
when you touch the bulb with your bare
hands, clean the bulb with a cloth moistened
with alcohol or soap water to prevent
premature bulb failure.
Remove the rear turn signal light lens (1).
Replace the bulb (2).
Reinstall the removed parts
...
Storage procedure
If your motorcycle is to be left
unused for an extended period of
time, it needs special servicing
requiring appropriate materials,
equipment and skill. For this reason,
suzuki recommends that you
trust this maintenance work to
your suzuki dealer. If you wish to
service the machine for stora ...