HYDRAULIC BRAKE
SERVICE INFORMATION
GENERAL
A
CAUTION
Frequent inhalation of brake pad
dust,
regardless of
mat
erial
com
position could be hazardous to your health.
•
Avoid
breathi
ng dust
particles.
•
Never use an air hose or brush to clea
n
brake assemblies. Use and OSHA-approved vacuum cleaner.
•
This
model
is equipped with a
Lin
ked Brake System. The system air bleeding proced ure on page 15-7 must be fo llowed.
•
cio not d isassemble
t
he secondary master cylinder push rod or the correct brake performa nce
will
not be
obtained.
•
A contaminated brake disc o
r
pad reduces
st
opping power. Discard contaminated pads and clean a contaminated disc
with
a
hi
gh
qual ity brake degreasi ng agent.
•
Check t he brake system by applying the brake lever o
r
pedal
after the air bleedi ng.
•
Spilled brake f luid will severely
dam
age instrument lenses and painted surfaces. It is also
harmf
ul
t
o some rubber parts.
Be
caref
u
l
whenever you remove the reservoir cap; make sure
t
he f
ront
reservoir is horizontal first.
•
Never
al
low contaminates (dirt, water, etc.) to get into an open
reservoir.
•
Once the hydrau lic system has been opened, or if t he brake fee ls spongy, the system m ust be b led.
•
A lways use fresh DOT 4 brake fluid from a sealed container when servicing
t
he system. Do not m ix different types of
fluid, they may not be
com pat
ible.
•
A lways check brake
operat
ion before r idi ng the
mot
orcycle.
•
This sect
ion covers service of t he standard brake components (including
LBS)
of
the brake system. See page 16-3 for
ABS
service.
•
T he brake fluid replacement procedure fo
r
the
ABS model
shou ld be
perform
ed in the same manner as in the standard
model. Note t hat there is no brake flu id in t he ABS
m
odulator (except in the
modulator
head), because the modu lator is
the motor-driven hydraulic pressure type. Therefore, brake fluid rep lacement and bleeding air from t he modulator body
is not necessary.
SPECIFICATIONS
Unit: mm (in)
ITEM
STANDARD
SERVICE
LIMIT
I
Front
Specified brake f
luid
Honda DOT 4 brake f luid
-
Brake disc thickness
4.5 (0. 18)
3.5 (0.14)
Brake disc warpage
-
0.20
(0.008)
Master cylinder 1.0.
14.000
-
14.043 (0.5512- 0.5529)
14.055
(0.5533)
Master piston O. D.
13.957- 13.984
(0.5495-
0.5506)
13.945
(0.5490)
Secondary
master
cylinder
I.
D.
12.700- 12.743 (0.5000
-
0.5017)
12.76
(0.502)
Secondary
master
piston 0.0.
12.657
-
12.684 (0.4983
-
0.4994)
12.65
(0.498)
Left caliper cylinder I. D.
Upper
25.400
-
25.450 (1.0000- 1.0020)
25.460
(1.0024)
Middle
25.400- 25.450 (1.0000
-
1.0020)
25.460
(1.0024)
Lower
25.400- 25.450 (1.0000
-
1.0020)
25.460
(1.0024)
Left caliper
piston 0.0.
Upper
25.318
-
25.368 (0.9968- 0.9987)
25.310 (0.9965)
Midd le
25.318-25.368 (0.9968- 0.9987)
25.310 (0.9965)
Lower
25.3 18-25.368 (0.9968
-
0.9987)
25.310 (0.9965)
Right
caliper
cylinder
Upper
25.400- 25.450 (1.0000
-
1.0020)
25.460
(1.0024)
1.0.
Middle
22.650
- 2
2.700 (0.8917
-
0.8937)
22.710 (0.8941
)
Lower
25.400
-
25.450 (1.0000-
1.0020)
25.460
(1.0024)
Right caliper
piston
Upper
25.318- 25.368 (0.9968
-
0.9987)
25.310 (0.9965)
0.0.
Middle
22.585
-
22.618 (0.8892
-
0.8905)
22.560 (0.8882)
Lower
25.318
-
25.368 (0.9968- 0.9987)
25.310
(0.9965)
Rear
Specified
brake f
luid
Honda DOT 4 brake f luid
-
Brake
pedal
height
90.0 (3.54)
-
Brake disk t hickness
6.0
(0.23)
5.0 (0.20)
Brake disc warpage
-
0.30
(0.012)
Master
cylinder
I.
D.
17.460- 17.503 (0.6874
-
0.6891)
17.515
(0.6896)
Master piston 0.0.
17.417
-
17.444 (0.6857
-
0.6868)
17.405 (0.6852)
Caliper
cylinder I.
D.
Front
25.400- 25.450 (1.0000
-
1.0020)
25.460
(1.0024)
Center
25 .400
-
25.450 (1.0000
-
1.0020)
25.460
(1.0024)
Rear
25.400
-
25.450 (1.0000- 1.0020)
25.460
(1.0024)
Ca
li per
piston O.
D.
Front
25.318
-
25.368 (0.9968-
0.9987)
25.310
(0.9965)
Cent
er
25.318- 25.368 (0.9968
-
0.9987)
25.310
(0.9965)
Rear
25.318- 25.368 (0.9968
-
0.9987)
25.310
(0.9965)
15-4