Suzuki GSR600 Service Manual page 41

2-24 PERIODIC MAINTENANCE
BRAKE LIGHT SWITCH
• Adjust the rear brake light switch so that the brake light will
come on just before pressure is felt when the brake pedal is
depressed.
AIR BLEEDING FROM BRAKE FLUID CIRCUIT
Air trapped in the brake fluid circuit acts like a cushion to absorb
a large proportion of the pressure developed by the master cyl-
inder and thus interferes with the full braking performance of the
brake caliper. The presence of air is indicated by "sponginess"
of the brake lever and also by lack of braking force. Considering
the danger to which such trapped air exposes the machine and
rider, it is essential that after remounting the brake and restoring
the brake system to the normal condition, the brake fluid circuit
be purged of air in the following manner: