2009 Yamaha Motorsports Apex LTX GT Owners Manual - Page 29

2009 Yamaha Motorsports Apex LTX GT Manual

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Control functions 3 1 (a) 2 Tightening torque: Locknut: 42 Nm (4.2 m·kgf, 30 ft·lbf) ESU10924 (b) Adjusting the damping forces of the front shock absorbers EWS00740 WARNING 1. Locknut 2. Distance A 3. Spring preload adjusting nut The damping forces of the left and right shock absorbers must be adjusted to the same settings. Uneven settings can cause poor handling and loss of stability. Compression damping force The compression damping force of each shock absorber can be adjusted by turning its compression damping force adjusting knob. To increase the compression damping force, turn the adjusting knob in direction (a). To decrease the compression damping force, turn the adjusting knob in direction (b). 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). 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): 119.0 mm (4.69 in) Standard: 119.0 mm (4.69 in) Maximum (hard): 129.0 mm (5.08 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 specified torque. [ECS00860] 1. Compression damping force adjusting knob Compression damping setting: Minimum (soft): 12 click(s) in direction (b)* Standard: 7 click(s) in direction (b)* Maximum (hard): 2 click(s) in direction (b)* * With the adjusting knob fully turned in direction (a) 23

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Control functions
23
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]
ESU10924
Adjusting the damping forces of the
front shock absorbers
WARNING
EWS00740
The damping forces of the left and right
shock absorbers must be adjusted to the
same settings. Uneven settings can cause
poor handling and loss of stability.
Compression damping force
The compression damping force of each
shock absorber can be adjusted by turning its
compression damping force adjusting knob.
To increase the compression damping force,
turn the adjusting knob in direction (a). To de-
crease the compression damping force, turn
the adjusting knob in direction (b).
1. Locknut
2.
Distance A
3.
Spring preload adjusting nut
Spring preload setting*:
Minimum (soft):
119.0 mm (4.69 in)
Standard:
119.0 mm (4.69 in)
Maximum (hard):
129.0 mm (5.08 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.
Compression damping force adjusting knob
Compression damping setting:
Minimum (soft):
12 click(s) in direction (b)*
Standard:
7 click(s) in direction (b)*
Maximum (hard):
2 click(s) in direction (b)*
* With the adjusting knob fully turned in
direction (a)