Installing The Brake Caliper Piston; Installing The Rear Brake Caliper - Yamaha YZ 2017 Series Owner's Service Manual

INSTALLING THE BRAKE CALIPER PISTON

EASB29B160
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

EASB29B161
1. Install:
• Rear brake caliper
• Rear brake caliper bracket
2. Install:
• Rear wheel
• Copper washers
• Brake hose
New
• Union bolt
New
EWA
Proper brake hose routing is essential to in-
sure safe vehicle operation.
ECA
NOTICE
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:
• Brake pad springs
• Brake pads
• Brake pad pin
• Brake pad pin plug
4. Pour brake fluid to the brake fluid reservoir
1
a
4-27
REAR BRAKE
Refer to "REAR WHEEL" on page 4-7.
New
Brake hose union bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
WARNING
b
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 3-26.
up to the specified level.
Specified brake fluid
DOT 4
b
a