Yamaha FZ09E Service Manual page 165

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INTRODUCTION
EWA\ 4 101
A
WARNING
Disc brake components rarely require disas-
sembly. Therefore, always follow these pre-
ventive measures:
• Never disassemble brake components un-
less absolutely necessary.
• If any connection on the hydraulic brake
system Is disconnected, the entire brake
system must be disassembled, drained,
cleaned, properly filled, and bled after reas-
sembly.
• Never use solvents on internal brake com-
ponents.
• Use only clean or new brake fl uid for clean-
ing brake components.
• Brake fluid may damage painted surfaces
and plastic parts. Therefore, always clean
up any spilt brake fl uid immediately.
•Avoid brake fluid coming into contact with
the eyes as it can cause serious injury.
FIRST AID FOR BRAKE FLUID ENTERING
THE EYES:
• Flush with water for 15 minutes and get im-
mediate medical attention.
EA5'WO
CHECKING THE FRONT BRAKE DISCS
The following procedure applies to both brake
discs.
1.
Remove:
• Front wheel
Refer to "FRONT WHEEL" on page 4-8.
2. Check:
• Front brake disc
Damage/galling
--+
Replace.
3. Measure:
• Brake disc runout
Out of specification
--+
Correct the brake disc
runout or replace the brake disc.
Brake disc runout limit (as mea-
sured on wheel)
0.10 mm (0.0039 in)
••••••••••••••••••••••••••••••••
a. Place the vehicle on a suitable stand so that
the front wheel is elevated.
b. Before measuring the brake disc runout, turn
the handlebar to the left or right to ensure that
the front wheel is stationary.
c. Remove the brake caliper.
FRONT BRAKE
d. Hold the dial gauge at a right angle against
the brake disc surface.
e. Measure the runout 1.5 mm (0.06 in) below
the edge of the brake disc.
• •••••••••••••••••••••••••••••••
4.
Measure:
• Brake disc thickness
Measure the brake disc thickness at a few dif-
ferent locations.
Out of specification
--+
Replace.
5. Adjust:
Brake disc thickness limit
4.0 mm (0.16 in)
• Brake disc runout
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
a. Remove the brake disc.
b. Rotate the brake disc by one bolt hole.
c. Install the brake disc.
NOTICE
Front brake disc bolt
18 Nm (1.8 m-kgf, 13 ft·lbf)
LOCTITE®
~~~~~~~~~~~~~
Replace the brake disc bolts with new ones.
TIP ~~~~~~~~~~~~~~~
Tighten the brake disc bolts in stages and in a
crisscross pattern.
4-25