Rear Suspension Tuning Procedure - Suzuki RM125 Owner's Service Manual

4-18 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 Part No.
62211-36F60
Soft
62211-37FH0
Standard 62211-37FJ0
62211-37FK0
Hard
62211-37FL0
• 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
100 mm (3.937 in).
When the sag mea-
sured is:
Less than 100 mm Reduce spring pre-set length by turning
(3.937 in) the spring adjuster nut.
More than 100 mm Increase spring pre-set length by turning
(3.937 in) the spring adjuster nut.
Spring rate
46 N/mm
(4.6 kgf/mm)
48 N/mm
(4.8 kgf/mm)
51 N/mm
(5.1 kgf/mm)
53 N/mm
(5.3 kgf/mm)
55 N/mm
(5.5 kgf/mm)
Adjustment procedure
Marking paint Set-length adjustable range
Green
Black
Silver
[at spring free length 265 mm
Orange
Red
245 – 263 mm
(9.646 – 10.354 in)
(10.433 in)]
L2