Brakes - Suzuki DL650 Service Manual

9-12
SERVICING I N FORMATI O N
REAR SUSPENSION TOO SOFT
Symptom, possible causes and remedy
Weakened spring of shock absorber.
Leakage of oil from shock absorber.
Improperly set rear spring unit adjuster.
REAR SUSPENSION TOO STIFF
Symptom, possible causes and remedy
Bent shock absorber shaft.
Bent swingarm pivot shaft.
Worn swingarm and suspension bearings.
Improperly set rear spring unit adjuster.
NOISY REAR SUSPENSION
Symptom, possible causes and remedy
Loose nuts or bolts on rear suspension.
Worn swingarm and suspension bearings.
BRAKES
INSUFFICIENT BRAKE POWER
Symptom, possible causes and remedy
Leakage of brake fluid from hydraulic system.
Worn pads.
Oil adhesion on friction surface of pads.
Worn disc.
Air in hydraulic system.
Not enough brake fluid in the reservoir.
BRAKE SQUEAKING
Symptom, possible causes and remedy
Carbon adhesion on pad surface.
Tilted pad.
Damaged wheel bearing.
Loose front wheel axle or rear wheel axle.
Worn pads or disc.
Foreign material in brake fluid.
Clogged return port of master cylinder.
EXCESSIVE BRAKE LEVER STROKE
Symptom, possible causes and remedy
Air in hydraulic system.
Insufficient brake fluid.
Improper quality of brake fluid.
LEAKAGE OF BRAKE FLUID
Symptom, possible causes and remedy
lnsufficient tightening of connection joints.
Cracked hose.
Worn piston and/or cup.
Replace.
Replace.
Adjust.
Replace.
Replace.
Replace.
Adjust.
Retighten.
Replace.
Repair or replace.
Replace.
Clean disc and pads.
Replace.
Bleed air.
Replenish.
Repair surface with sandpaper.
Correct pad fitting or replace.
Replace.
Tighten to specified torque.
Replace.
Replace brake fluid.
Disassemble and clean master cylinder.
Bleed air.
Replenish fluid to specified level; bleed air
Replace with correct fluid.
Tighten to specified torque.
Replace.
Replace piston and/or cup.