Yamaha YFZ450S 2003 Service Manual page 122

ADJUSTING THE REAR SHOCK ABSORBER
b
1
b
c
a
a
1
Steering nut wrench
P/N. YU-33975, 90890-01443
Locknut
45 Nm (4.5 m · kg, 32 ft · lb)
NOTE:
_
Always tighten the locknut against the adjust-
ing ring, then torque it to specification.
L LLL L LLL L L LLL
5. Install:
• air filter case with air intake duct
NOTE:
_
Align the projection a on the carburetor with
the slot b in the air intake duct.
6. Adjust:
• rebound damping force
M MMM M MMM M M MMM
a. Turn the adjusting screw 1 in direction a
or b.
Direction a
Direction b
Minimum (soft): Adjusting screw fully
turned out
Standard: Adjusting screw 1 3/4 turns
out from the fully turned in position
Maximum (hard): Adjusting screw fully
turned in
NOTE:
Make sure that the position indicator marks c
are aligned when the shock absorber is set to
the standard setting.
CAUTION:
_
Do not force the adjuster past the minimum
or maximum extent of adjustment. The
adjuster may be damaged.
L LLL L LLL L L LLL
3 - 50
CHK
ADJ
L L LLL L L LLL L
M M MMM M M MMM M
Rebound damping force
is increased.
Rebound damping force
is decreased.
L L LLL L L LLL L
L LLL L LLL
M MMM M MMM
L LLL L LLL