Suzuki RM85, Owner'S Service Manual

Page: 61 / 206

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)
• 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).
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 Spring rate Part No./Marking paint
Soft (Option)
44 N/mm (4.4 kgf/mm) RM85
46 N/mm (4.6 kgf/mm) RM85L 62211-03B80/GREEN (2 line)
62211-03B90/GREEN
Standard
46 N/mm (4.6 kgf/mm) RM85
48 N/mm (4.8 kgf/mm) RM85L 62211-03B90/GREEN
62211-03BA0/BLACK
Hard (Option)
48 N/mm (4.8 kgf/mm) RM85
50 N/mm (5.0 kgf/mm) RM85L 62211-03BA0/BLACK
62211-03BB0/RED
L1
When the sag
measured is:
Adjustment procedure
Less than 85 mm
(3.3 in) Increase spring pre-set length by turning
the spring adjuster nut.
More than 95 mm
(3.7 in) Reduce spring pre-set length by turning
the spring adjuster nut.
L2