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Drive Chain; Drive Chain Slack Inspection; Drive Chain Slack Adjustment; Wheel Alignment Inspection - Kawasaki KX125 1990 Service Manual

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9-4
FINAL DRIVE
Drive
Chain
Drive Chain
Slack
Inspection
-
Support
the motOfcycie
on
its
side
stand.
-
Check
the
wheel alignment
(see
Wheel
Alignment
Inspection),
and adjust
it jf
necessary
(see
Wheel
Alignment
Adjustment).
NOTE
o
Clean the drive chain
if
it
is
dirty,
and lubricate
it if
it
appears
dry.
Rotate
the
rear
wheel
to
find
the
position where
the
chain
is tightest
Measure
the
vertical
movement
as
shown.
*If
the drive
chain slack exceeds
the
standard,
adjust
;l
Drive
Chain Sieck
Inspection
A.
Drive Chain Slack
Drive Chain Slack
Standard
:
50
-
60 mm
Drive
Chain
Slack
Adjustment
-
Loosen the left and
right chain adjuster
locknuts.
-
Remove the
cotter
pin
and loosen
the
axle
nul
A.
Axle Nut
D.
Marks
B.
Adjusting
Bolt
E.
Notch
C.
locknut
F.
Cotter
Pin
*
If the chain
is
too
tight, back out
the
left and
right
chain
adjusting bolts
evenly,
and kick
the
wheel
fOlWard
until the
chain
is too
loose.
*
If
the chain
is too
loose,
turn both chain adjusting
bolts evenly
until
the drive chain
has
the correct
amount of
slack.
To keep the
chain
and
wheel
properly aligned, the notch
on
the
left
chain
adjuster
shou
ld
align with the
same swing
arm
mark
as
the
right
chain adjuster
notch.
-
Check
the
wheel
alignment
-
Tighten both chain adjuster
locknuts
securely.
-
Tighten
the
axle
nut
to the specified
torque.
Tightening T
0<qUe
98 N-m 110
kg-m.
72 ft-lb)
-
Rotate the
wheel,
measure
the
chain
slack
again
at
the
tightest
position, and readjust
if
necessary.
-I
nstall a
new cotter
pin through the
axle
nut
and
axle,
and
spread
its
ends.
AWARNING
If
the
axle
nut
is
not
S8CU"efy
tightened or
the
cottef pin
Is
not
instaIed.
an unsafe
riding
condition
may
resuk.
-
Check
the rear
brake
for
weak
braking power,
and
brake drag
(see
the Brakes
chapter).
NOTE
oJn
wet and muddy
conditions,
mud
sticks
to
the
chain and sprockets
resulting
in
an
overly
tight
chain,
and
the
chain
may
break.
To prevent
thiS,
adjust
the chain to
55 - 65
mm
of slack
whenever
necessary.
Wheel Alignment
Inspection
-Check
that the
notch on
the
left chain
adjuster
aligns
with the
same swing
arm mark
as
the
right
chain
adjuster.
A.
Marks
B.
Notches

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