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Table of Contents
140 MAINTENANCE-CHASSIS
WHEELS
~
Wheel construction
is
shown in Figs. J3, J4. The
following sections, Pgs. 140-143 cover the tires,
rims,
axles, wheel bearings, and
grease
sea ls. For
the
brakes,
see Pgs. 145-150.
Tires
Table
J1
Tires,
Air
Pressure
(measured when cold)
Air Pressure
Size
Make,
Type
...,
3.005-18
Dunlop
c
1.75
kg/cm
2
(25 psi)
0
,._
4PR
F7
LL
Up
to
2.0 kg/cm
2
,._
97.5 kg (28
psi)
3.505-1
8
Dunlop
I'd
Over
"'
2.5 kg/cm
2
4PR
K102
~
97.5-
(36 psi)
155
kg
Tire wear, damage
Tires
must not
be
used
if
they are getting bald, or
if
they
are
cut or otherwise
damaged.
As the tire
tread
wears down, the tire
becomes
more susceptible to
puncture and failure. 90% of tire failures occur during
the last
10% of
tire
I ife
.
Visually inspect the
tire
for cracks
and
cuts, re-
placing the tire in case of
bad
damage. Remove any
im bedded
stones
o
r
other foreign particles from the
tread.
Swelling or high
spots indicate
internal
damage,
requiring tire
replacemen
t
unless the damage to
the
fabric isveryminor.
Measure the depth of the tread with a depth
gauge,
and replace the
tire if the tread depth
is
less than
the
service limit.
A. Depth Gauge
Table J2
Tire Tread Depth
Tire
Standard
Minimum Tread
Depth
Front
3.5 mm
1
mm
under
2
mm
Rear
6.9
mm
110
kph
over
3 mm
1
ro
kph
Rim
Rim runout
Carefully inspect
the
wheel for
small
cracks, dents,
bends, or warpage. If there is any damage to the
wheel,
it
must
be
replaced.
I
WARNING
I
Never
atte_m
pt
to
repair a
dam~ged
wheel
.
...,. - - - - • .. If there
1s
any
damage
besides wheel
bearings,
the
wheel must be replaced
to
insure safe
operating condition.
Remove
the
tire
and suspend
the
wheel
by
the.axle.
Set a dial gauge against the side of the
rim
,
and rotate
the
wheel
to measure
the
axial runout. The difference
between
the
highest
and
lowest
dial readings is
the
amount of runout.
Set
the
dial gauge
to
the
outer circumference
of
the
rim, and rotate the wheel to measure radial
runout.
The difference
between
the
highest
and lowest
dial
readings
is the amount
of
runout.
Rim Runout
Measurement
1. Radial Runout
2. Axial Runout
Table J3
Rim
Runout (with tire
removed)
Serv ice
Lim it
Axial
0.5 mm
Radial
0.8 mm
If rim
runout
exceeds the
service
limit, check
the
wheel bearings
first.
Replace them
if
they are damaged.
If the problem is not due
to
the bearings,
the
wheel
must be
replaced.
Do not
attemp
t
to
repair
a
damaged
wheel.
Table
J4
Rim Size
Front
1.60
x
18
Rear
1.85 x 18

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   Also See for Kawasaki Z250 1981

This manual is also suitable for:

Kz350 1981

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