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Yamaha XT550J - Front Fork and Rear Shock Absorber Adjustment; Maximum Air Pressure

Yamaha XT550J
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7. Inspect the drain screw gasket. Replace
if
damaged. Reinstall the drain screw.
8.
Pour the specified amount
of
oil into the
fork inner tube.
Front fork oil (each fork):
369
cm
3
(13.0 Imp oz, 12.5 US oz)
Recommended oil:
KAYABA
FORK OIL G-100r
equivalent
9.
After filling, slowly pump the forks up
and down
to
distribute the oil.
10.
Inspect the O-ring on the cap bolt.
Replace
if
damaged.
, .
O-ring
11.
Reinstall the spring seat and fill the forks
with air.
Use
a manual air pump or
pressurized air supply. Refer
to
"G.
Front Fork and
Rear
Shock Absorber
Adjustment"
for
proper air-pressure ad-
justing procedures.
r~~~L
~,,~
--'
Always
use a
new
stopper
ring
(spring
cable
circlip).
Maximum air pressure:
117,7
kPa
(1.2 kg/cm2,
17
psi)
Do
not exceed this amount.
2-13
H.
Front
Fork
and
Rear
Shock
Absorber
Adjustment
Front
fork
1.
Place the motorcycle
on
the stand, and
elevate the
front
wheel.
NOTE:
___________
_
When checking and adjusting the air
pressure, there should be no weight
on
the
front end
of
the motorcycle.
2.
Remove the rubber cap from the
top
of
each fork.
3.
Using the air gauge, check and adjust
the air pressure.
If the air pressure
is
in-
creased, the suspension becomes stif-
fer;
if
decreased, the suspension
becomes softer.
To
increase
air
pressure: Use a
manual
air
pump
or
pressurized
air
supply.
To
decrease
air
pressure:
Release
the
air
by
pushing
the
valve
pin.
Standard air pressure:
39.2
kPa
(0.4 kg/cm2, 5.7 psi)
Maximum air pressure:
117.7kPa (1.2kg/cm2,
17
psi)
Minimum air pressure:
Zero
* Never exceed the maximum pressure
or oil
seal
damage may occur.
* The difference between both the left
and right tubes should
be
9.8
kPa
(0.1
kg/cm2,1.4psi)orless.
4.
Reinstall the rubber cap.

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