Servicing Your Honda 121
Suspension
13. Remove the fork from the vice.
14. Measure the length between the axle holder
and outer tube.
Standard: 12.3 ± 0.1 in (312 ± 2 mm)
15. Compare the length (18) at assembly and at
disassembly. They should be the same length.
If the length at assembly is longer than at
disassembly, check the fork center bolt and fork
center bolt lock nut installation.
16. Refilling the fork oil (page 109).
17. Install the front suspension (page 110).
The swingarm is controlled by one hydraulic shock
absorber with an aluminum reservoir for oil and
nitrogen gas pressure. The gas pressure in the
reservoir is contained within a rubber bladder.
The rear suspension’s spring pre-load (Off-Road
use only) and compression damping and rebound
damping adjustments should be adjusted for the
rider’s weight and track conditions (pages 148,
152).
Do not attempt to disassemble, service, or dispose
of the damper; see your dealer.
The instructions found in this owner’s manual are
limited to adjustments of the shock assembly only.
Off-Road use only
• When your motorcycle is new, break it in for
approximately 1 hour with the standard
suspension settings before attempting to adjust
the rear suspension.
•Refer to Suspension Adjustment Guidelines
(page 152) for making all rebound and
compression damping adjustments in one click
or 1/12 turn increments. (Adjusting two or
more clicks or turns at a time may cause you to
pass over the best adjustment.)
Test ride after each adjustment.
• If the rear suspension is too stiff/soft, adjust it
by turning all the compression and rebound
adjusters according to the procedures
described in page 152. After adjusting the
adjusters simultaneously, suspension may be
fine-tuned by turning one of the compression
and rebound damping adjusters in one click or
in 1/12 turn increments.
• If you have a problem finding an acceptable
adjustment, return to the standard position and
begin again.
1. Bounce the rear of the motorcycle up and down
and check for smooth suspension action.
2. Remove the muffler (page 133), and subframe
(page 52).
3. Check for a broken or collapsed spring.
4. Check the rear shock absorber (1) for a bent
rod or oil leaks.
5. Push the rear wheel sideways to check for
worn or loose swingarm bearings. There
should be no movement. If there is, have the
bearings replaced by your dealer.
(18) length
(18)
Rear Suspension Inspection
(1) rear shock absorber
(1)
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