Yamaha YZ450F(V) Owner's Service Manual page 506

FRONT FORK
5. Measure:
• Oil level (left and right) a
Out of specification → Adjust.
Standard oil level:
145 ~ 148 mm (5.71 ~ 5.83 in)
From top of fully stretched
damper assembly.
6. Tighten:
• Locknut 1
NOTE:
Fully finger tighten the locknut onto the
damper assembly.
7. Loosen:
• Compression damping adjuster 1
NOTE:
• Loosen the compression damping adjuster
finger tight.
• Record the set position of the adjuster (the
amount of turning out the fully turned in posi-
tion).
8. Install:
• Base valve 1
To damper assembly 2.
NOTE:
First bring the damper rod pressure to a maxi-
mum. Then install the base valve while releas-
ing the damper rod pressure.
5 - 34
CHAS