Lubricating The Steering Head; Checking The Front Fork Legs - Yamaha YZ250FX 2023 Owner's Manual

1
5. Install:
• Upper bracket
• Handlebar
Refer to "HANDLEBAR" on page 4-10.
EAM30502

LUBRICATING THE STEERING HEAD

1. Lubricate:
• Upper bearing
• Lower bearing
• Bearing race
Recommended lubricant
Lithium-soap-based grease
EAM30338

CHECKING THE FRONT FORK LEGS

1. Stand the vehicle upright on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
2. Check:
• Inner tube
Damage/scratches  Replace.
• Front fork leg
Oil leaks between inner tube and outer tube
 Replace the oil seal.
3. Hold the vehicle upright and apply the front
brake.
4. Check:
• Front fork operation
Push down hard on the handlebar several
times and check if the front fork rebounds
smoothly.
Unsmooth operation  Correct or replace.
Refer to "FRONT FORK" on page 4-15.
TIP
If any damage is found or the front fork does not
operate smoothly, have a Yamaha dealer check
or repair it.
5. Check:
• Protector guide "1"
Out of specification  Replace.
TIP
The protector guide reaches the limit of its use
when it is worn down to the same height "a" as
of the outer tube circumference.
6. Remove:
• Protector
• Dust seal "1"
ECA24330
NOTICE
Be careful not to damage the dust seal and
the inner tube by a driver.
1
7. Clean:
• Dust seal "a"
• Scraper "b"
• Oil seal "c"
TIP
• Clean the dust seal, scraper and oil seal after
every run.
• Apply lithium-soap-based grease on the inner
tube.
c
LS
3-24
CHASSIS
1
a
b
a