Yamaha RS Venture RST9NJ Owner's Manual page 44

Control functions
Tightening torque:
Locknut:
42 N·m (4.2 kgf·m, 31 lb·ft)
Rear torsion springs
EWS00751
WARNING
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
direction (a). To decrease the spring preload
and thereby soften the suspension, turn the
adjuster in direction (b).
(a)
1
1. Spring preload adjuster
Spring preload setting:
Minimum (soft):
S
Standard (medium):
M
Maximum (hard):
H
38
ESU13095
Adjusting the 2-up adjusting blocks
(RST9N)
EWS00761
Make sure that the 2-up adjusting blocks
are installed in the same position on both
sides of the snowmobile, otherwise poor
handling and loss of stability may result.
The spring force can be adjusted by chang-
ing the position of the 2-up adjusting blocks.
(b)
TIP
 Be sure to make this adjustment when
 Use the special tools included in the own-
1.
WARNING
1. 2-up adjusting block
there is no load (rider or cargo) on the
snowmobile.
er's tool kit to make the adjustment.
Insert the special tools into the 2-up ad-
justing block as shown.