Fork Spring Inspection; Bushing/Back-Up Ring Inspection; Fork Damper Inspection - Honda CRF450X 2005 Service Manual

FRONT WHEEL/SUSPENSION/STEERING
Set the slider on V-blocks and measure the runout.
Turn the slider and measure the runout using a dial
indicator.
Actual runout is 112 of the total indicator reading.
SERVICE LIMIT: 0.20 mm 10.008 in)
Do not reuse the
Replace
if
the service limit is exceeded, or there are
slider if it is bent. scratches or nicks that will allow fork oil to leak past
the seals.
14-20
FORK SPRING
Measure the fork spring free length by placing it on
a flat surface.
SERVICE LIMIT: 493 mm (19.4 in)
BUSHING/BACK-UP RING
Check the bushing for excessive wear or scratches.
If
copper appears on
the surface, replace the bush-
ing .
Replace the back-up ring if there is distortion at the
points shown.
Remove any metal powder from the slide r and
guide bushings with a nylon brush and fork oil.
FORK DAMPER
Check the f ork damper for bends or damage.
Check the fork damper piston rod for bends, wear or
damage.
Check the fork damper operation by pumpi ng the
piston rod.
If the operation is not smooth, fill the fork damper
with fork oil and check the fork damper operation
again (page 14-25).
'05 - '07 shown:
SLIDER
BUSHC
G
rK\
", .
)~
I
-J
0
\
BACK-U\P RING
-
'05 - '07 shown:
DAMPER