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Control functions
TIP
Use the special wrench included in the own-
er's tool kit to make the suspension adjust-
ments. If the tool kit for your model does not
include the special wrench, the special
wrench can be obtained at a Yamaha dealer.
ESU10895
Adjusting the spring preload of the
front shock absorbers
EWS00721
WARNING
The spring preload of the left and right
shock absorbers must be adjusted to the
same setting. Uneven settings can cause
poor handling and loss of stability.
The spring preload can be adjusted by turn-
ing the adjusting nuts.
Adjust the spring preload as follows.
1.
Loosen the locknut.
2.
To increase the spring preload and
thereby harden the suspension, turn the
adjusting nut in direction (a). To decrease
the spring preload and thereby soften
the suspension, turn the adjusting nut in
direction (b).
1
3
2
1. Locknut
2. Distance A
3. Spring preload adjusting nut
30
(a)
(b)
TIP
The spring preload setting is determined by
measuring distance A, shown in the illustra-
tion. The longer distance A is, the higher the
spring preload; the shorter distance A is, the
lower the spring preload.
Spring preload setting*:
Minimum (soft):
122.5 mm (4.82 in)
Standard:
RST90PGT 122.5 mm (4.82 in)
RST90PTF 134.5 mm (5.30 in)
Maximum (hard):
RST90PGT 132.5 mm (5.22 in)
RST90PTF 144.5 mm (5.69 in)
* Distance A changes 1.5 mm (0.06 in)
with each full turn of the adjusting
nut.
3.
Tighten the locknut to the specified
torque. NOTICE: Always tighten the
locknut against the adjusting nut, and
then tighten the locknut to the speci-
fied torque.
[ECS00861]
Tightening torque:
Locknut:
42 Nm (4.2 m·kgf, 30 ft·lbf)
ESU13137
Adjusting the spring preload of the
center shock absorber and the rear
torsion springs
The spring preload can be adjusted by turn-
ing the adjusting nut on the center shock ab-
sorber and the adjusters on the rear torsion
springs. Adjust the spring preload as follows.
Center shock absorber
1.
Loosen the locknut.
2.
To increase the spring preload and
thereby harden the suspension, turn the
adjusting nut in direction (a). To decrease
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