Yamaha YZ125(S)/LC, Owner'S Service Manual

Page: 392 / 568

5-16
CHAS
FRONT BRAKE AND REAR BRAKE
4. Inspect:
9 Master cylinder piston
1
9 Master cylinder cup
2
Wear/Damage/Score marks
→
Replace master
cylinder kit.
A
Front
B
Rear
EC534214
Caliper
1. Inspect:
9
Caliper cylinder inner surface
a
Wear/Score marks
→
Replace caliper as-
sembly.
A
Front
B
Rear
2. Inspect:
9 Caliper piston
1
Wear/Score marks
→
Replace caliper piston
assembly.
w
Replace the piston seals and dust seals
2 2
whenever a caliper is disassembled.
EC534301
Brake hose
1. Inspect:
9
Brake hose
1
Crack/Damage
→
Replace.
EC5A5000
ASSEMBLY AND INSTALLATION
w
9 All internal parts should be cleaned in
new brake fluid only.
9 Internal parts should be lubricated with
brake fluid when installed.
9 Replace the piston seals and dust seals
whenever a caliper is disassembled.
5XE-9-30-5A 4/28/03 6:06 PM Page 32