Yamaha YZ450F(W) Owner's Service Manual page 516

FRONT FORK
27. Install:
• Push rod 1
• Copper washer 2
• Adjuster 3
To damper assembly 4.
NOTE:
• 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
readjust the locknut.
Gap a between the adjuster and
locknut:
0.5 ~ 1.0 mm (0.02 ~ 0.04 in)
NOTE:
If the adjuster is installed out of specification,
proper damping force cannot be obtained.
29. Tighten:
• Adjuster (locknut) 1
NOTE:
Hold the locknut 2 and tighten the adjuster
with specified torque.
5 - 39
CHAS
New
29 Nm (2.9 m · kg, 21 ft · lb)