Yamaha YZ450FY 2009 Owner's Service Manual page 223

25.Install:
• Damper assembly "1"
To inner tube "2".
To install the damper assembly into the in-
ner tube, hold the inner tube aslant. If the in-
ner tube is held vertically, the damper
assembly may fall into it, damaging the
valve inside.
26.Loosen:
• Rebound damping adjuster "1"
• Loosen the rebound damping adjuster finger
tight.
• Record the set position of the adjuster (the
amount of turning out the fully turned in posi-
tion).
27.Install:
• Push rod "1"
• Copper washer "2"
• Adjuster "3"
To damper assembly "4".
• While compressing the inner tube "5", set the
cap bolt ring wrench "7" between the inner
tube and locknut "6".
• Fully finger tighten the adjuster onto the
damper assembly.
Cap bolt ring wrench:
YM-01501/90890-01501
28.Inspect:
• Gap "a" between the adjuster "1" and lock-
nut "2".
Out of specification → Retighten and read-
just the locknut.
Gap "a" between the adjuster and
locknut:
0.5–1.0 mm (0.02–0.04 in)
If the adjuster is installed out of specification,
proper damping force cannot be obtained.
5-32
FRONT FORK