Suzuki RM85L - Rear Suspension Tuning: Damping and Pre-load

MACHINE TUNING 4-13
REAR SUSPENSION TUNING
REAR SUSPENSION
The rear suspension compression and rebound damping force,
and spring pre-load are adjustable for rider’s preference, rider’s
weight and course condition.
NOTE:
Break-in the rear suspension when riding with a new rear cush-
ion unit.
COMPRESSION DAMPING FORCE ADJUSTMENT
Fully turn the damping force adjuster 1 clockwise. It is at stiffest
position and turn it out to standard setting.
NOTE:
Do not force the adjuster screw past the stopped position or the
adjuster may be damaged.
 Standard setting: 3/4 turns out from stiffest position
REBOUND DAMPING FORCE ADJUSTMENT
Fully turn the damping force adjuster 2 clockwise. It is at stiffest
position and turn it out to standard setting.
NOTE:
Do not force the adjuster screw past the stopped position or the
adjuster may be damaged.
 Standard setting: 2 turns out from stiffest position
SPRING PRE-LOAD ADJUSTMENT
• Remove the seat frame covers and frame side tube.
• Remove the cleaner box.
• Loosen the lock-nut 1.
• Turn the adjuster 2 clockwise or counterclockwise to change
the spring pre-load.
• Tighten the lock-nut 1.
 Standard spring set length: 3.1 mm (0.12 in)
compressed from spring free length (RM85)
Standard spring set length: 4.8 mm (0.19 in)
compressed from spring free length (RM85L)
 Spring set length adjustable range:
2 – 12 mm (0.08 – 0.47 in)
compressed from spring free length
NOTE:
Turning the adjuster
2 without loosening the lock-nut 1 can
damage the rear cushion unit.
• To remount the rear frame assembly reverse the sequence as
described.