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 playCushion rod bearing removal and installation
Removal
Remove the cushion rod. Refer to “cushion rod removal and installation”
.
Remove the cushion rod bearing with the special
tool.
Special tool
(a):
09921–20240 (bearing remover set)
Installation
Caution
the removed bearings must be replaced with
new on ...
Injection timing description
Injection time (injection volume)
The factors to determine the injection time include the basic fuel injection
time, which is calculated on the basis of the
intake air pressure, engine speed and throttle opening angle, and various
compensations. These compensations are
determined according to ...
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 ...