2011 Yamaha Motorsports FX Nytro Owners Manual - Page 33

2011 Yamaha Motorsports FX Nytro Manual

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Control functions 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): FX10 92.6 mm (3.65 in) FX10RTRS 75.4 mm (2.97 in) FX10XT 106.1 mm (4.18 in) Standard: FX10 101.6 mm (4.00 in) FX10RTRS 84.4 mm (3.32 in) FX10XT 122.1 mm (4.81 in) Maximum (hard): FX10 108.6 mm (4.28 in) FX10RTRS 91.4 mm (3.60 in) FX10XT 132.1 mm (5.20 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] Tightening torque: Locknut: 42 Nm (4.2 m·kgf, 30 ft·lbf) Rear torsion springs EWS00750 To increase the spring preload and thereby harden the suspension, turn the adjuster in direction (a). To decrease the spring preload and thereby soften the suspension, turn the adjuster in direction (b). (a) (b) 1 1. Spring preload adjuster Spring preload setting: Minimum (soft): S Standard: M Maximum (hard): H ESU13631 Adjusting the air pressure of the center shock absorber and the rear shock absorber (FX10M53S/FX10M62S) A shock absorber pump is provided with your snowmobile to adjust the air pressure of the shock absorbers. This pump is equipped with an air pressure gauge. One side of the gauge has a low-pressure meter and the other side of the gauge has a high-pressure meter. Use the low-pressure meter to adjust the center shock absorber and the high-pressure meter to adjust the rear shock absorber. WARNING The left and right spring preloads must be adjusted to the same setting. Uneven settings can cause poor handling and loss of stability. 27

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Control functions
27
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]
Rear torsion springs
WARNING
EWS00750
The left and right spring preloads must be
adjusted to the same setting. Uneven set-
tings can cause poor handling and loss of
stability.
To increase the spring preload and thereby
harden the suspension, turn the adjuster in di-
rection (a). To decrease the spring preload
and thereby soften the suspension, turn the
adjuster in direction (b).
ESU13631
Adjusting the air pressure of the cen-
ter shock absorber and the rear shock
absorber (FX10M53S/FX10M62S)
A shock absorber pump is provided with your
snowmobile to adjust the air pressure of the
shock absorbers. This pump is equipped with
an air pressure gauge. One side of the gauge
has a low-pressure meter and the other side
of the gauge has a high-pressure meter. Use
the low-pressure meter to adjust the center
shock absorber and the high-pressure meter
to adjust the rear shock absorber.
Spring preload setting*:
Minimum (soft):
FX10 92.6 mm (3.65 in)
FX10RTRS 75.4 mm (2.97 in)
FX10XT 106.1 mm (4.18 in)
Standard:
FX10 101.6 mm (4.00 in)
FX10RTRS 84.4 mm (3.32 in)
FX10XT 122.1 mm (4.81 in)
Maximum (hard):
FX10 108.6 mm (4.28 in)
FX10RTRS 91.4 mm (3.60 in)
FX10XT 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)
1.
Spring preload adjuster
Spring preload setting:
Minimum (soft):
S
Standard:
M
Maximum (hard):
H
1
(b)
(a)