Checking The Brake Hoses; Bleeding The Hydraulic Brake System - Yamaha YZF-R6 99 Service Manual

Motorcycle yzf-r6 99 5eb-ae1
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CHECKING THE BRAKE HOSES/

BLEEDING THE HYDRAULIC BRAKE SYSTEM

EB304062
CHECKING THE BRAKE HOSES
The following procedure applies to all of the
brake hoses and brake hose clamps.
1. Check:
S brake hose 1
Cracks/damage/wear ! Replace.
2. Check:
S brake hose clamp
Loose ! Tighten the clamp bolt.
3. Hold the motorcycle upright and apply the
brake several times.
4. Check:
S brake hose
Brake fluid leakage ! Replace the damaged
hose.
Refer to "FRONT AND REAR BRAKES" in
chapter 7.
EB304072
BLEEDING THE HYDRAULIC BRAKE SYS-
TEM
WARNING
Bleed the hydraulic brake system whenev-
er:
S the brake system was disassembled,
S a brake hose was loosened, disconnected
or replaced,
S the brake fluid level is very low,
S brake operation is faulty.
NOTE:
S Be careful not to spill any brake fluid or allow
the brake fluid reservoir to overflow.
S When bleeding the hydraulic brake system,
make sure that there is always enough brake
fluid before applying the brake. Ignoring this
precaution could allow air to enter the hydrau-
lic brake system, considerably lengthening the
bleeding procedure.
S If bleeding is difficult, it may be necessary to let
the brake fluid settle for a few hours. Repeat
the bleeding procedure when the tiny bubbles
in the hose have disappeared.
3-43
CHK
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1999 yzf-r6

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