Installing The Front Brake Master Cylinder - Yamaha WR250FM 2021 Owner's Service Manual

(to the brake master cylinder piston "2")
TIP
Install the spring with a smaller inside diameter
to the brake master cylinder piston.
4. Install:
• Brake master cylinder kit "1"
• Washer "2"
• Circlip "3"
New
• Dust boot "4"
• Push rod "5"
TIP
• Before installation, apply brake fluid to the
brake master cylinder kit.
• Before installation, apply silicone grease to the
push rod end.
• Use circlip pliers to install the circlip.
EAM30039
INSTALLING THE FRONT BRAKE MASTER
CYLINDER
1. Install:
• Brake master cylinder "1"
Brake master cylinder holder bolt
9 N·m (0.9 kgf·m, 6.6 lb·ft)
TIP
• Install the front brake master cylinder holder
with the "UP" mark facing up.
• First, tighten the upper bolt, then the lower bolt.
2. Install:
• Copper washer
• Brake hose
• Union bolt
New
EWA13531
Proper brake hose routing is essential to in-
sure safe vehicle operation.
ECA24470
NOTICE
During installation, bring the brake hose into
contact with the brake master cylinder pro-
jection "a" and make its bent portion "b"
face downward.
TIP
Turn the handlebar toward right and left to make
sure that the brake hose does not touch other
parts (e.g., wire harness, cables, leads). Adjust
if necessary.
3. Pour brake fluid to the brake master cylinder
EWA13090
• Use only the designated brake fluid. Other
4-25
FRONT BRAKE
1
UP
New
Brake hose union bolt
30 N·m (3.0 kgf·m, 22 lb·ft)
WARNING
a
reservoir up to the specified level.
Specified brake fluid
DOT 4
WARNING
a a
b