Yamaha YZ250F(E) Owner's Service Manual page 166

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4. Measure:
• Oil level (left and right) "a"
Out of specification  Regulate.
Standard oil level
145–148 mm (5.71–5.83 in)
From top of fully stretched
damper assembly.
5. Tighten:
• Locknut "1"
TIP
Fully finger tighten the locknut onto the damper
assembly.
a
4-42
6. Loosen:
• Compression damping force adjuster "1"
TIP
• Before loosening the damping force adjuster,
record the setting position.
• Unless the damping force adjuster is fully
loosened, correct damping characteristic can-
not be obtained after installation.
7. Install:
• Base valve "1"
(to the damper assembly "2")
TIP
First bring the damper rod pressure to a maxi-
mum. Then install the base valve while releas-
ing the damper rod pressure.
8. Check:
• Damper assembly
Not fully stretched  Repeat the steps 1 to
7.
9. Tighten:
• Base valve "1"
Base valve
28 Nm (2.8 m·kgf, 20 ft·lbf)
TIP
Hold the damper assembly with the cap bolt
ring wrench "2" and use the cap bolt wrench "3"
to tighten the base valve.
FRONT FORK
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1
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