Bennche Bighorn 400 Owner's Manual page 51

4-29 Control Functions
· A special wrench can be obtained at a
BENNCHE dealer to make this adjustment.
· The spring preload setting is determined
by measuring distance A, shown in the
illustration. The shorter distance A is, the
lower the spring preload; the longer distance
A is, the higher the spring preload. With each
complete turn of the adjusting nut.
1. Distance A
Spring travel setting(Front)
Minimum(soft): 375mm(14.76 in)
Maximum(hard): 490mm(19.29 in)
Spring travel setting(Rear)
Minimum(soft): 402mm(15.83 in)
Maximum(hard): 490mm(19.29 in)
3. Tighten the locknut.
NOTE:
Always tighten the locknut against the
adjusting nut, and then tighten it to the
specified torque.
Rebound damping force
Turn the rebound damping force adjusting
screw in direction S to increase the rebound