Spring Change - Suzuki RM-Z250 Owner's Service Manual

SPRING CHANGE

• Remove the front forks. (!17-4)
• Thoroughly clean the fork before disassembly.
The fork oil quantity must be adjusted equally on both
fork legs to provide equal performance.
Scratches or other damage on the inner tube or on the
oil seal lip will cause oil leakage.
Avoid scratching or damaging the inner tube or the oil
seal. Use a mild detergent or car wash soap and
sponge out dirt with plenty of water.
• Remove the fork cap bolt and drain fork oil. (!17-5)
• Loosen the center bolt completely. (!17-6)
• Compress the outer tube by hands and install the conrod
holder (special tool) between the axle holder bottom 1 and
lock-nut 2.
$ 09910-20115: Conrod holder
• Hold the lock-nut with a wrench and remove the center bolt.
• Remove the push rod. (!17-6)
• Remove the damper rod assembly and fork spring. (!17-7)
• Hold the front fork inverted position for more than 20 minutes
the allow the fork oil to fully drain. (!4-12)
• Force out the remaining oil using compressed air completely.
(!4-12)
• Replace the spring.
SPRING/No.
Soft 51171-10H20
STD 51171-10H10
Hard 51171-10H30
CAUTION
Identification
SPRING RATE (Slit mark on
the spring end)
4.2 N/mm
(!4-13)
(0.42 kgf/mm)
4.4 N/m
(!4-13)
(0.44 kgf/mm)
4.6 N/mm
(!4-13)
(0.46 kgf/mm)
MACHINE TUNING 4-14