Spring Change - Suzuki RM250 Owner's Service Manual

SPRING CHANGE

• Remove the front forks. (16-3)
• Thoroughly clean the fork before disassembly.
The fork oil quantity and spring rate must be adjusted
equally on both fork legs to provide equal perfor-
mance.
Scratches or other damage the on inner tube or on the
oil seal lip will cause oil leak.
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. (16-4)
• Loosen the center bolt completely. (16-5)
• Compress the outer tube by hands and install the conrod
holder (special tool) between the axle holder bottom 1 and
lock-nut 2. (16-5)
 09910-20115: Conrod holder
• Hold the lock-nut with a wrench and remove the center bolt.
(16-5)
• Remove the push rod. (16-5)
• Remove the damper rod assembly and fork spring.
(16-6)
• Hold the front fork inverted position for move than 20 minutes
to drain oil. (4-11)
• Force out the remaining oil completely using compressed air.
(4-11)
• Replace the spring.
SPRING/No. SPRING RATE
SOFT
51171-37FD0 (0.42 kgf/mm)
STD
51171-37FC0 (0.44 kgf/mm)
HARD
51171-37FE0 (0.46 kgf/mm)
• Install the damper rod assembly.
CAUTION
Identification
on the spring end)
4.2 N/mm
4.4 N/mm
4.6 N/mm
(Slit mark
I
III
II
MACHINE TUNING 4-13