Installing The Front Brake Caliper - Yamaha WR250F 2016 Owner's Service Manual

3. Install:
• Brake caliper piston "1"
TIP
Apply the brake fluid on the piston outer sur-
face.
ECA
NOTICE
• Install the piston with its side "a" facing
the brake caliper.
• Never force to insert.
1

INSTALLING THE FRONT BRAKE CALIPER

EAS2GB7175
1. Install:
• Front brake caliper bracket
• Front brake caliper
(temporarily)
• Copper washers
New
• Brake hose
• Union bolt
Front brake caliper bracket
23 Nm (2.3 m·kgf, 17 ft·lbf)
Brake hose union bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
EWA
WARNING
Proper brake hose routing is essential to in-
sure safe vehicle operation.
ECA
NOTICE
Make sure that the pipe portion "a" of the
brake hose touches the projection "b" on
the brake caliper.
a
2. Install:
3. Tighten:
TIP
Make sure that the brake hose holder "2" is in-
a
1
stalled with its upper end "a" aligned with the
paint "b" on the brake hose.
4. Pour brake fluid to the brake master cylinder
EWA
• Use only the designated brake fluid. Other
• Refill with the same type of brake fluid that
• When refilling, be careful that water does
b
ECA
5-19
• Front brake caliper
• Brake pad spring
• Brake pad
• Brake pad pin
• Brake hose holder
Brake pad pin
17 Nm (1.7 m·kgf, 12 ft·lbf)
Refer to "CHECKING THE FRONT BRAKE
PADS" on page 3-26.
• Brake hose holder nut "1"
Brake hose holder nut
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
2
b
a
reservoir up to the specified level.
Specified brake fluid
DOT 4
WARNING
brake fluids may cause the rubber seals to
deteriorate, causing leakage and poor
brake performance.
is already in the system. Mixing brake flu-
ids may result in a harmful chemical reac-
tion, leading to poor brake performance.
not enter the brake fluid reservoir. Water
will significantly lower the boiling point of
the brake fluid and could cause vapor
lock.
FRONT BRAKE
1