Suzuki RM85 Owner's Service Manual page 61

4-14 MACHINE TUNING
REAR SUSPENSION TUNING PROCEDURE
• Adjust the rear suspension according to the rider's weight and
preference by referring to the table below.
(Spring replacement 17-4)
Spring
44 N/mm (4.4 kgf/mm) RM85
Soft (Option)
46 N/mm (4.6 kgf/mm) RM85L
46 N/mm (4.6 kgf/mm) RM85
Standard
48 N/mm (4.8 kgf/mm) RM85L
48 N/mm (4.8 kgf/mm) RM85
Hard (Option)
50 N/mm (5.0 kgf/mm) RM85L
• Measure the distance L1 from the seat bolt to the chain
adjuster lock-nut with the motorcycle on the stand and the
rear wheel lifted off the ground.
• Measure the distance L2 from the seat bolt to the chain
adjuster lock-nut with the motorcycle off the stand and riding
the motorcycle normally in full riding gear.
• Find the sag by subtracting L2 from L1. Standard sag range is
85 – 95 mm (3.3 – 3.7 in).
When the sag
measured is:
Less than 85 mm Increase spring pre-set length by turning
(3.3 in) the spring adjuster nut.
More than 95 mm Reduce spring pre-set length by turning
(3.7 in) the spring adjuster nut.
REAR SUSPENSION
After the sag measurement has been set between 85 mm (3.3
in) to 95 mm (3.7 in), test ride the motorcycle and adjust the sus-
pension for the rider and track conditions referring to the guide
below.
Spring rate
Adjustment procedure
Part No./Marking paint
62211-03B80/GREEN (2 line)
62211-03B90/GREEN
62211-03B90/GREEN
62211-03BA0/BLACK
62211-03BA0/BLACK
62211-03BB0/RED
L1
L2