Suzuki VS1400 Owner's Manual page 110

NOTE: Do not squeeze/depress the
brake lever/pedal when the pads are
not in their positions. It is difficult to
push the pistons back into position.
Rear Brake Pedal Adjustment
The rear brake pedal must be adjusted
to set the clearance between the pedal
and footrest. Adjust the brake pedal by
turning the adjuster to locate the pedal
60 – 70 mm (2.4 - 2.8 in) above the top
face of the footrest.
7-42
60 - 70 mm
(2.4 - 2.8 in)