2012 Yamaha Motorsports RS Vector Owners Manual - Page 45

2012 Yamaha Motorsports RS Vector Manual

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Control functions 1. 2. Loosen the locknut. 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). 3. Tighten the locknut to the specified torque. NOTICE: Always tighten the locknut against the adjusting nut, and then tighten the locknut to the specified torque. [ECS00860] Tightening torque: Locknut: 42 Nm (4.2 m·kgf, 30 ft·lbf) ESU13134 3 1 (a) 2 (b) Adjusting the spring preload of the center shock absorber and the rear torsion springs (RST90 / RST90PGT) The spring preload can be adjusted by turning the adjusting nut on the center shock absorber 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 the spring preload and thereby soften the suspension, turn the adjusting nut in direction (b). 1. Locknut 2. Distance A 3. Spring preload adjusting nut TIP The spring preload setting is determined by measuring distance A, shown in the illustration. 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): RS90P / RS90PLT 122.5 mm (4.82 in) RST90 161.0 mm (6.34 in) RST90PGT 122.5 mm (4.82 in) Standard: RS90P / RS90PLT 129.5 mm (5.10 in) RST90 162.0 mm (6.38 in) RST90PGT 122.5 mm (4.82 in) Maximum (hard): RS90P / RS90PLT139.5 mm (5.49 in) RST90 172.0 mm (6.77 in) RST90PGT 132.5 mm (5.22 in) * Distance A changes 1.5 mm (0.06 in) with each full turn of the adjusting nut. 1 2 (a) (b) 1. Spring preload adjusting nut 2. Distance A 3. Locknut 3 39

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Control functions
39
1.
Loosen the locknut.
2.
To increase the spring preload and there-
by harden the suspension, turn the ad-
justing nut in direction (a). To decrease
the spring preload and thereby soften the
suspension, turn the adjusting nut in di-
rection (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.
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.
[ECS00860]
ESU13134
Adjusting the spring preload of the
center shock absorber and the rear
torsion springs (RST90 / RST90PGT)
The spring preload can be adjusted by turning
the adjusting nut on the center shock absorb-
er 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 there-
by harden the suspension, turn the ad-
justing nut in direction (a). To decrease
the spring preload and thereby soften the
suspension, turn the adjusting nut in di-
rection (b).
1. Locknut
2.
Distance A
3.
Spring preload adjusting nut
Spring preload setting*:
Minimum (soft):
RS90P / RS90PLT 122.5 mm (4.82
in)
RST90 161.0 mm (6.34 in)
RST90PGT 122.5 mm (4.82 in)
Standard:
RS90P / RS90PLT 129.5 mm (5.10
in)
RST90 162.0 mm (6.38 in)
RST90PGT 122.5 mm (4.82 in)
Maximum (hard):
RS90P / RS90PLT139.5 mm (5.49
in)
RST90 172.0 mm (6.77 in)
RST90PGT 132.5 mm (5.22 in)
* Distance A changes 1.5 mm (0.06 in)
with each full turn of the adjusting nut.
(a)
(b)
1
3
2
Tightening torque:
Locknut:
42 Nm (4.2 m·kgf, 30 ft·lbf)
1.
Spring preload adjusting nut
2.
Distance A
3. Locknut
(a)
(b)
2
1
3