Yamaha RS VECTOR - Page 45

Control functions
39
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).
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]
Spring preload setting*:
Minimum (soft):
RS90P / RS90PLT / RST90PGT
122.5 mm (4.82 in)
RST90 161.0 mm (6.34 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 / RS90PLT 139.5 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.
Tightening torque:
Locknut:
42 Nm (4.2 m·kgf, 30 ft·lbf)
1. Spring preload adjusting nut
2. Distance A
3. Locknut
Spring preload setting*:
Minimum (soft):
RST90 111.5 mm (4.39 in)
RST90PGT 122.1 mm (4.81 in)
Standard:
RST90 112.5 mm (4.43 in)
RST90PGT 122.1 mm (4.81 in)
Maximum (hard):
RST90 122.5 mm (4.82 in)
RST90PGT 132.1 mm (5.20 in)
* Distance A changes 1.5 mm (0.06 in)
with each full turn of the adjusting nut.
Tightening torque:
Locknut:
42 Nm (4.2 m·kgf, 30 ft·lbf)
(a)
(b)
2
1
3
U8HV11E0.book Page 39 Monday, April 23, 2012 9:34 AM