Tires And Wheels; Tire Pressure; Tire Inspection - Polaris 1999 Sportsman 400 Service Manual

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LU
BRICATION, MAINTENAI'iCE
AND
TUNE-UP
55
14.
Inspect
the
fuel lines and fitting
s
for
wetness.
15. Check
the hrake
fluid level in both brake
mas-
ter cylinder
reservoirs. I
f
nece ssary.
add DOT
3
brake
fluid to bring
the
level up to the
maximum
line.
Refer to Ta
ble 3.
TIR
ES AN
D W
H EEL S
Ti
re
Pressu re
Check
and
adjust
the
tire
pressure to
achieve
good traction
and
handling.
and
to
get the maximum
life out of
the tires. Carry a
simple, accura
te
low-pressure gauge in the
toolbox. The appropriate
tire
pressure s
are listed in
Tab le 2.
Check tire
pres-
sure when
the tires are cold.
WARNI NG
Alway s inflate both tire sets
(from and
rear)
tires
1
0
correct air
pressure.
If
the
vehicle is
rEm with
unequal
air
press ures.
the
vehicle will nm
to ward
olle
side,
causing
poo
r
handling
.
CAUTION
Do
11
01
over-inflate
the tires, as
they
will
be
p
ermanently distorted
and
dam
aged.
Over-inflated tires
will
cause
poor
handling
and
abn
ormal
lire \l'e(/1:
NO TE
The
tire pressure
specifica tions
list ed
ill
Table
2 are for the
original tires.
If
different tires hav
e been
installed
,
fo
llo w
the
tire
pre
ssure recommenda
-
tio
ns
sp
ecified
by the tire monufac-
turcr.
NOTE
Aft
er
checking
and adjusting
tire air
pressure, make
sure to
reinstall
the air
val
ve
cap. The cap prevents small
peb-
bles
from
collecting in tire valve stem;
this
could allow air
leakage
or
result
in
incorrect
tire pressure
reading.
Tire
Inspection
The tires lake
a lot of puni
shment due
to
the
vari-
ety
of terra
in they
are subjected
to. Inspect
them
pe-
riodically
forexcessive wear,
cuts, abrasions. etc. If
a
nail or
other object is found
in
the
tire,
mark its
lo-
cation with a
light
cra
yon prior
to
removing
it.
This
will
help locate
the
hole
for
repair. Refer to
Chapter
Twelve
for
tire changing
and
repair
information
.
To
gauge
tire wear.
inspect
the shape of
the
tread
knobs.
To
get
an accurate
measurement
of
tire wear.
measure
a
number
of different
knobs
around the
tire.
If
the drive
knob
vertical
sides (F
igure
7) are
worn to
less
than
3 mm (
1/8 in.),
replace the
tire as
described
in Chapter
Twelve.
WARNING
Do
not
ride the vehicle
with
da
maged
or
se
verely
\1'orn
tires.
Replace dam
-

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