2005-2009 Kawasaki Brute Force 650/KVF 650 4x4 Service Manual, Page 336Get this manual
14-10 SUSPENSION Shock Absorbers
Measure the spring free length To adjust the spring preload, turn in the adjusting nut [A] to the desired position and tighten the locknut [8] [C] Spring Length
Spring Preload Setting Position Standard: Spring free length 308 mm (12.1 in Usable Range: Spring free length 301 mm (11.9 in to 315 mm (12.4 in
If the spring action feels too soft or too stiff, adjust it in
accordance with the following tableSpring Force Weak
Spring Action
TorqueRear Shock Absorber Spring Locknut: 88 N'm (9.0 kgf'm, 65 ftlb)
Position 315 mm (12.4 in
Setting Soft
Load Light
Terrain Smooth