Suzuki RM125 Owner's Service Manual page 197

16-16 FRONT FORK AND STEERING
• Tighten the center bolt to the specified torque.
 Center bolt: 70 N·m (7.0 kgf-m, 50.5 lb-ft)
• Loosen and remove the fork cap bolt (sub-tank) from the outer
tube and slowly slide down the outer tube.
 09941-53630: Front fork top cap wrench
• Pour the specified amount of fork oil into the outer tube.
 Oil quantity (When standard fork spring is used):
 99000-99001-SS5: SUZUKI FORK OIL SS-05
• Raise the outer tube and temporarily tighten the fork cap bolt
(sub-tank).
 09941-53630: Front fork top cap wrench
357 ml (12.07/12.57 US/lmp oz)
(or equivaient fork oil)