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Front Fork; Front Fork Adjustment - Kawasaki KX125 1990 Service Manual

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Front Fork
Front Fork Adjustment
The
front fork
should
always be adjusted for the
rider's
weight
and
track conditions by using one or
more of the following
methods.
Basically, there are five adjustments you can
make
to
the
front fork
.
oAir
pressure
-Air
pressure
acts as a
progressive
spring
and affects the entire
range
of
fork travel. The
air
pressure
in the
fork increases
as
the
fork
heats
up,
so
the fork action on your
KX
will get
stiffer
as the race
progresses.
Because of
this,
we don't
recommended
using
air pressure for
additional
springing. Your
KX
forks are designed to work without
adding
any air
0Rebound
damping adjustment
-
This
adjustment
affects
how
Quickly the rebound
.
The fork
rebound
damping
adjuster
has
16
clicks.
The
seated position
(full clockwise
until
the adjuster stops) is full
hard.
From the
point,
8
clicks
counterclockwise
is
the
standard setting, and
16 clicks (full
counterclockwise
until the adjuster stops)
is
full
soft
OCompression
damping
adjustment-
This
adjustment
affects
how
quickly the fork compresses. The fork
compression
damping adjuster has 16
clicks.
The
seat-
ed position (full
clockwise until
the adjuster stops)
is
full
hard.
From
that
point, 8 clicks
counterclockwise
is
the
standard setting, and
16 clicks
(fu
ll
counter-
clockwise until
the
adjuster stops)
is
full soft.
OOillevel ad
justment
-
The
effects of
higher
or
lower
fork
oil
level are
only felt
during
the final
100 mm
of
fork travel.
A
higher oil level (more
oil) will
make
the fork rebound
more
Quickly.
A
lower oil
level
(less oil) will make the fork
rebound more
slowly.
oFork
springs
-Optional
springs
are
available that
are softer and stiffer
than
standard.
oFork clamp position -Steering qualities
are greatly
affected by
the
fork
clamp
position (If amount of
the outer tube projecting above
the
steering stem
head). When the fork tube
height
is smaller, the
front
e
nd
become lighter due
to
the change
in
weight bias. Also, it tends
to
understeer in
turns
and
·
wash
out".
When the
height is
greater, the
results are
opposite.
A.-
Pressure
The standard
air
pressure
in
the fork legs
is
atmospheric
pressure.
The air pressure
in
the fork
legs
increases as the fork
heats
up, so
the fork
action
will
get stiffer as the vehicle operation progresses.
-
Park the vehicle on
level
ground.
-
Remove
the
screws
at the
top of the
front
fork
top
plugs.
SUSPENSION 11-5
A.
Screw
Rebound
Da
m ping Adjustment
-
To adjust rebound damping,
turn
the adjuster on the
front
fork
top plugs with the blade of a screwdriver
until
you
feel a
dick.
Adjust the
rebound
damping to
suit
your preference under
special
conditions.
Softer
Harder
16
0
,.
2
12
10
8
6
LStandard
Number
of
turns counterclockwise
usable range-
1 6
clicks
®
A.
Seated
position with adjuster turned fully
clockwise.
CAUTION
The
left
and right
fork
tubes
must
have
same
shock
damping.
A.
Adjuster

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