Installing The Brake Caliper Piston; Installing The Rear Brake Caliper - Yamaha WR250F 2016 Owner's Service Manual

INSTALLING THE BRAKE CALIPER PISTON

EAS2GB7187
1. Clean:
• Brake caliper
• Brake caliper piston seal
• Brake caliper piston dust seal
• Brake caliper piston
Use brake fluid for cleaning.
2. Install:
• Brake caliper piston seals "1"
• Brake caliper piston dust seal "2"
EWA
WARNING
Always use new brake caliper piston seal
and brake caliper piston dust seal.
TIP
• Apply the silicone grease on the brake caliper
piston seal and brake caliper piston dust seal.
• Fit the brake caliper piston seals and brake
caliper piston dust seals onto the slot on
brake caliper correctly.
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 REAR BRAKE CALIPER

EAS2GB7188
1. Install:
2. Install:
New
New
EWA
Proper brake hose routing is essential to in-
sure safe vehicle operation.
ECA
Make sure that a bend in its pipe portion "a"
is directed as shown and the brake hose
touches the projection "b" on the brake cal-
iper.
2
1
3. Install:
4. Pour brake fluid to the brake fluid reservoir
1
a
5-29
• Rear brake caliper
• Rear brake caliper bracket
• Rear wheel
Refer to "REAR WHEEL" on page 5-9.
• Copper washers
New
• Brake hose
• Union bolt
Brake hose union bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
WARNING
NOTICE
b
• Brake pad springs
• Brake pads
• Brake pad pin
• Brake pad pin plug
Brake pad pin
17 Nm (1.7 m·kgf, 12 ft·lbf)
Brake pad pin plug
2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
Refer to "CHECKING THE REAR BRAKE
PADS" on page 3-28.
up to the specified level.
Specified brake fluid
DOT 4
REAR BRAKE
b
a