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Fluid Seal Damage; Piston And Cylinder Damage - Kawasaki KX125 1990 Service Manual

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, 0-8
FINAL
DRIVE
-
Re place the
shaft
rubber fri
c
tion
boot and
dust
cover
if
they
are
damaged
.
-
Apply
a
thin
coat of
PBC
(Poly
Butyl
CuprysiJ) grease
to the
caliper
ho
lder
shafts and holder holes
(PBC
is
a
specia
l high
temperature,
water-resistant
grease).
A.
Shaft
Rubber
Friction
Boot
B.
Dust Cover
C.
Caliper
Ho lder Shafts
-I
nstalr the
anti-rattle
spring
in
the
cali pe
r
as
shown.
A.
Anti-Rattle
Spring
-
Install
the
pads
(see
Pad Insta
llation).
Fluid Seal Damage
The
fluid
sea
l
a round the
piston
maintains the
proper pad/disc
clearance.
If
this seal is not in good
condition,
pad wear
will
increase,
and
constant pad
drag on the
disc
will
raise brake
and brake fluid
temperatu
re.
Cali per
','
:::
.::
1.
Caliper
2.
Piston
3.
Fluid
Sea
l
4.
Dust Sea
l
Re
pla
ce
the flu
id seal
under
a ny of
the following
cond
itions:
(a) fluid leakage around
the
pad;
(b)
brakes
overheat;
(cl
there
is
a large
difference
in left and
right
pad
wear;
(d) the
sea
l
is
stuck to
the
piston.
If
the fluid
sea
l
is
replaced,
re place the dust
seal
as
well
.
Also,
rep
lace al
l
sea ls
every other time
the pads
a
re
chan
ged.
Dus
t
Seal,
Cover
and
Sha ft Rubber
Fric tion Boot Damage
-
Check
that the
dust
sea
ls,
covers and
shaft
rubber
frict
ion boots are
not
cracked,
worn,
swo
llen,
or
otherwise
damaged
.
*
If they
show
any
damage,
replace
them.
Piston and Cylinder Damage
-
Visua lly inspect
the piston
and cylinder
surfa
ces.
*
Re
pl
ace t he
piston
and cylinde
r
if
they
are
badly
scored
or
rusty.

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