Bleeding The Hydraulic Brake System - Yamaha YFZ450S 2003 Service Manual

CHECKING THE BRAKE HOSES/

BLEEDING THE HYDRAULIC BRAKE SYSTEM

1
1
2
2. Check:
1
3. Check:
4. Hold the machine in an upright position and
5. Check:
6. Install:
EBS00094
BLEEDING THE HYDRAULIC BRAKE
SYSTEM
_
Bleed the hydraulic brake system when-
ever:
• the system is disassembled,
• a brake hose is loosened, disconnected
• the brake fluid level is very low,
• brake operation is faulty.
3 - 39
• front brake hoses 1
• rear brake hose 2
Cracks/wear/damage → Replace.
• brake hose clamps
Loosen → Tighten.
apply the front or rear brake.
• brake hoses
Apply the brake lever or brake pedal sev-
eral times.
Fluid leakage → Replace the hoses.
Refer to "FRONT AND REAR BRAKES" in
chapter 7.
• front fender
• side covers (left and right)
• fuel tank cover
• seat
Refer to "SEAT, FENDERS AND FUEL
TANK".
WARNING
or replaced,
CHK
ADJ