Yamaha PZ50RTZ Owner's Manual page 31

(a)
1. Spring preload adjusting ring
Spring preload setting:
Minimum (soft):
1
Standard:
1
Maximum (hard):
5
PZ50GT
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
3
2
1. Locknut
2. Distance A
3. Spring preload adjusting nut
(b)
(a)
(b)
Control functions
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):
168.6 mm (6.64 in)
Standard:
168.6 mm (6.64 in)
Maximum (hard):
178.6 mm (7.03 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.
[ECS00860]
Tightening torque:
Locknut:
42 Nm (4.2 m·kgf, 30 ft·lbf)
ESU12553
Adjusting the air pressure of the front
shock absorbers (PZ50RT)
EWS00730
WARNING
The air pressure of the left and right shock
absorbers must be adjusted to the same
setting. Uneven settings can cause poor
handling and loss of stability.
This snowmobile is equipped with FOX shock
absorbers as standard equipment.
The air pressure of the shock absorbers can
be adjusted using the shock absorber pump
included with your snowmobile.
25