Hold the outer tube vertically in a vise and compress the
Wait until the oil level stabilizes.
Use the fork oil level gauge [A] to measure the distance
from the top of the inner tube to the oil level.
Special Tool - Fork Oil Level Gauge: 57001-1290
Set the oil level gauge stopper [B] so that the distance [C]
from the bottom of the stopper to the lower end of the pipe
is the standard oil level distance.
A correct measurement can not be obtained unless the
level gauge pipe is placed in the center of the inner tube.
Oil Level (fully compressed, without spring)
Place the stopper of the level gauge at the top [D] of the
inner tube [E] and pull the handle slowly to draw out the
excess oil from fork into the gauge, thus attaining the stan-
If no oil is drawn out, there is not enough oil in the fork.
Pour in some more oil and measure again.
Repeat the same procedure for adjusting the other fork.
Fork Spring [A]
Fork Spring Seat [B]
Replace the top plug O-ring with a new one.
Apply grease to the top plug O-ring.
Front Fork (see Front Fork Installation)
Front Fork Disassembly
Front Fork (see Front Fork Removal)
Top Plug [A] with O-ring
Fork Spring Seat [C]
Fork Spring [D]
Drain the fork oil (see Front Fork Oil Change).
Remove the fork bottom Allen bolt [A] and gasket from the
bottom of the fork.
Special Tools - Fork Cylinder Holder Handle [B]: 57001-183
Fork Cylinder Holder Adapter [C]: 57001
Hold the outer tube in a vise [D], stop the cylinder unit
[E] from turning by using the special tools, and unscrew
the Allen bolt.
98 ±2 mm (3.86 ±0.08 in.)