Rear Suspension Tuning Procedure - Suzuki RM250 Owner's Service Manual

4·13 MACHINE TUNING
Rear Suspension Tuning Procedure
• Select the rear suspension aearding to the rider's weight
and preference by referring to the table below.
Rider's weight Spring Remarks
Below 52kg
Soft
If
you prefer
hard setting.
(115Ibs) (Option)
use standard spring.
52 - 68 kg Standard If you prefer hard setting.
(115 - 150Ibs) use hard spring . If you prefer
soft setting, use soft spring.
Over 68 kg
Hard
If
you prefer soft setting,
(150Ibs)
(Option)
use standard spring .
• Measure the distance L 1 from the seat bolt to the chain
adjuster lock nut with the motorcycle on the stand and
the fear 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 L 1. Standard sag
range is 95 - 105 mm (3 . 7 - 4 . 1 in) .
When the sag
Adjustment procedure
measured is:
Less than 95 mm Increase spring pre-set length by
(3 .7
in) turning the spring adjuster nut.
More than 105
Reduce spring pre-set length by
mm (4.1 in) turning the spring adjuster nut.
NOTE: Two turns of spring adjuster ring varies sag bV
8. 5
mm (0.3 in).
Rear Suspension
After th e sag measurement has been set between 95 mm
(3.7 in) t o 105 mm (4 .1 in), test ride the motorcycle and
adjust the sus pensi on for the rider and track conditions
referring to the guide below.