Honda CRF1100 Owner's Manual page 300

Other Adjustments
# Compression Damping
CRF1100A/A2/D/D2
You can adjust the compression damping by
the adjuster to suit the load or the road
surface.
Turn the adjuster using the Standard/Phillips
screwdriver provided on the underside of the
rear seat. P. 230
2
Turn clockwise to increase compression
damping (hard), or turn counterclockwise to
decrease compression damping (soft).
The standard position is 12 from the
maximum setting so that the punch mark on
the adjuster aligns with the reference punch
mark.
294
Adjusting the Rear Suspension
u
Adjuster
NOTICE
Do not turn the adjuster beyond its limits.
NOTICE
The rear shock absorber damper unit contains
high pressure nitrogen gas. Do not attempt to
disassemble, service, or improperly dispose of
the damper. See your dealer.
Reference
punch
mark
Punch mark