BRAKES
®
"
317
increase brake pad wear. If these grooves are
found. the disc shou
ld
be
replaced.
I. Measure the thickness
of
the disc at several
locations
ar
ou
nd
the disc with a micrometer
(
Figure
63)
or
vernier caliper. The disc must be
replaced
if
the thickness
in
any area
is
less than
that specified
in
Table 2.
2.
Make sure the disc mounting bolts arc tight
before running this check.
Check the disc runoul
with
a dial indicator as shown
in
Figure
64.
3.
Slowly rotate the wheel and watch the dial
indicator. If the runout exceeds
thatli
slcd
in
Table
2. t
he
disc
mu
st be replaced.
4. Clean the
di
sc of any
ru
st or corrosion and wipe
clean with lacquer thinner. Never use an oil-based
solvent that
may
leave an oil residue on the disc.
BLEEDING
THE
SYSTE!\'I
This procedure
is
nOi
necessary unless the brakes
feel
spongy. there has been a leak
in
the system.
a component has
be
en rep
la
ced or the brake nuid
has been replaced.
Brake
Bleeder Process
This procedure uses a brake bleeder that is
available from motorcycle
or
aUlOmotive supply
stores or from mail order outlets.
I. Remove the dust cap (Fig
ure
65) from the bleed
valve on the caliper assembly.
2.
Connect the brake bleeder to the bleed valve
on the caliper assembly (
Figur
e 66).
CAUTION
COI'U the
from
wheel with a hem,)'
cloth
or
plastic tarp to protect it fro/ll
the accidemal spilling
of
brake flllid.
RUsh
allY
brake flllid
off
of
all)"
plastic.
painted
or
plated sllrface immediately;
as
itwjfl
destrQY
Iheftllish. Use soapy
water alld rillse
completely.
3.
Clean the top of the master
cy
linder
of
all
din
and
fo
reign matter.
4. Remove the screws securing
th
e reservoir cover
(Figure
56
) and remove the reservoir cove r and
diaphragm.
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