Yamaha YZ 2018 Series Owner's Service Manual page 169

ECA
NOTICE
• Be sure to use the recommended oil. Other
oils may have an adverse effect on front
fork performance.
• When disassembling and assembling the
front fork leg, take care not to allow any
foreign material to enter the front fork.
3. After filling, pump the damper assembly "1"
slowly up and down (about 200 mm (7.9 in)
stroke) several times to bleed the damper
assembly of air.
TIP
Avoid excessive full stroke. A stroke of 200 mm
(7.9 in) or more will cause air to enter. In this
case, repeat the steps 1 to 3.
1
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:
TIP
Fully finger tighten the locknut onto the damper
assembly.
6. Loosen:
TIP
• Before loosening the damping force adjuster,
• Unless the damping force adjuster is fully
a
4-43
• Locknut "1"
• Compression damping force adjuster "1"
record the setting position.
loosened, correct damping characteristic can-
not be obtained after installation.
FRONT FORK
1