Depressing the rear brake pedal will apply the rear disk brake. The brake light will be illuminated when the rear brake is operated.
Emission control warranty
Suzuki motor corporation warrants
to the ultimate purchaser
and each subsequent purchaser
that this vehicle is designed, built,
and equipped so as to conform at
the time of sale with all U.S. Emission
standards applicable at the
time of manufacture, and that it is
free from defects in materi ...
Front brake master cylinder / brake lever disassembly and assembly
Refer to “front brake master cylinder assembly removal and installation” .
Disassembly
Remove the reservoir cap (1), plate (2), diaphragm
(3) and reservoir tank (4).
Remove the brake light switch (5) and brake lever
(6).
Remove the dust boot (7) and push rod (8).
  ...
If a collision is imminent, do something
Many riders fear locking up their
brakes or haven't learned to
swerve to avoid an accident.
Many inexperienced riders (and
too many seasoned riders) use
only their rear brake in an emergency,
resulting in unnecessary
impacts in some cases and
unnecessarily high impact speeds
in other case ...