Suzuki RM-Z250 Owner's Manual page 180

4-100 DISASSEMBLY AND ASSEMBLY
SPRING REPLACEMENT
• Loosen the lock-nut 1 with the special tool and turn it fully to
the end of the thread.
• Turn the adjuster 2 as well as the lock-nut 1.
 09910-60611: Universal clamp wrench
• Depress the spring seat 3 and remove the stopper ring 4.
• Remove the spring seat 3 and the spring 5 from the rear
shock absorber.
• Install the lock-nut, adjuster, spring, spring seat and stopper
ring.
NOTE:
* Install the spring as its painted side A (small diameter side)
faces bottom.
* When installing the spring seat, insert the tapered end B of
the spring seat to the bottom.