Suzuki RM-Z250 Owner's Manual page 181

• Adjust the spring set length and tighten the lock-nut.
 Standard spring set length:
4.2 mm (0.17 in) compressed from the free length
Spring set length adjustable range:
[at spring free length 265 mm (10.43 in)]
a: Hardest spring setting
b: Softest spring setting
 Spring adjuster lock-nut: 44 N·m (4.4 kgf-m, 32.0 lbf-ft)
INSTALLATION
Install the rear shock absorber in the reverse order of removal.
Pay attention to the following points:
• Tighten the rear shock absorber lower mounting bolt and nut
1 to the specified torque.
NOTE:
If necessary, move the swingarm up or down to facilitate this
mounting bolt/nut tightening.
 Rear shock absorber lower mounting nut:
• Tighten the upper mounting bolt and nut 2 to the specified
torque.
 Rear shock absorber upper mounting nut:
245 – 263 mm (9.64 – 10.35 in)
50 N·m (5.0 kgf-m, 36.0 lbf-ft)
50 N·m (5.0 kgf-m, 36.0 lbf-ft)
DISASSEMBLY AND ASSEMBLY 4-101