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Suspension
86 Servicing Your Honda
Suspension
Refer to Important Safety Precautions on page23.
Loose, worn, or damaged suspension components
may adversely affect the handling and stability of
your CRF. If any suspension components appear
worn or damaged, see your dealer for further
inspection. Your dealer is qualified to determine
whether or not replacement parts or repairs are
needed.
• When your CRF is new, break it in for
approximately 1 hour to ensure that the
suspension has worked in (page 19).
• After break-in, test run your CRF with the
front suspension at the standard setting before
attempting any adjustments.
• For optimum fork performance, we
recommend that you disassemble and clean the
fork after riding your CRF for 3 hours.
See page 114 for fork disassembly.
• Adjust the PSF air pressure each race or 2.5
hours of running. See page 113 for PSF air
pressure adjustment.
• Replace the fork oil every 3 races or 7.5 hours
of running. See page 88 for oil capacity
adjustment after changing the fork oil.
• Replace the damper oil every 9 races or 22.5
hours of running. See page 118 for damper
fork oil replacement.
• Use KHL15-11(KYB) which contains special
additives to assure maximum performance of
your CRF’s front suspension.
• Periodically check and clean all front
suspension parts to assure top performance.
Check the dust seals for dust, dirt, and foreign
materials. Check the oil for any contamination.
• Refer to Suspension Adjustment Guidelines
(page132). Make all rebound and compression
damping adjustments in one-click increments.
(Adjusting two or more clicks at a time may
cause you to pass over the best adjustment.)
Test ride after each adjustment.
• If you become confused about adjustment
settings, return to the standard position and
start over.
• If the fork is still too stiff/soft after adjusting
compression damping, determine which
portion of the travel is still too stiff/soft. This is
an important step that will help you solve
suspension problems.
1. Make sure that the fork protectors (1) and dust
seals (2) are clean and not packed with mud
and dirt.
2. Check for signs of oil leakage. Damaged or
leaking fork seals should be replaced before
your CRF is ridden.
3. Inspect the wear rings (3) for wear or damage.
Replace the wear ring if it is 0.06 in (1.5 mm)
or flush with the outer tube (4). Remove the
fork leg when replacing the wear ring.
Install the wear ring with its end gap (5) facing
rearward.
4. Make a quick check of fork operation by
locking the front brake and pushing down on
the handlebar several times.
Front Suspension Inspection
(1) fork protectors (2) dust seals
(1)
(2)
(3) wear rings (4) outer tube
(3) wear rings (5) end gaps
(4)
(3)
(3)
0.06 in (1.5 mm)
(3)
(5)
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