Suzuki GSX-R750, Service Manual, Page: 384 / 495

SERVICING INFORMATION 8-11
BRAKES
Complaint Symptom and possible causes Remedy
Insufficient brake 1. Leakage of brake fluid from hydraulic system. Repair or replace.
power. 2. Worn pads. Replace.
3. Oil adhesion of engaging surface of pads/shoe. Clean disc and pads.
4. Worn disc. Replace.
5. Air in hydraulic system. Bleed air.
6. Not enough brake fluid in the reservoir. Replenish.
Brake squeaking. 1. Carbon adhesion on pad surface. Repair surface with
sandpaper.
2. Tilted pad. Modify pad fitting or
replace.
3. Damaged wheel bearing. Replace.
4. Loosen front-wheel axle or rear-wheel axle. Tighten to specified
torque.
5. Worn pads. Replace.
6. Foreign material in brake fluid. Replace brake fluid.
7. Clogged return port of master cylinder. Disassemble and
clean master cylinder.
Excessive brake 1. Air in hydraulic system. Bleed air.
lever stroke. 2. Insufficient brake fluid. Replenish fluid to spe-
cified level; bleed air.
3. Improper quality of brake fluid. Replace with correct
fluid.
Leakage of brake 1. Insufficient tightening of connection joints. Tighten to specified
fluid torque.
2. Cracked hose. Replace.
3. Worn piston and/or cup. Replace piston and/or
cup.
Brake drags. 1. Rusty part. Clean and lubricate.
2. Insufficient brake lever or brake pedal Lubricate.
pivot lubrication.