Removing The Front Wheel; Disassembling The Front Wheel; Checking The Front Wheel; Assembling The Front Wheel - Yamaha YZ 2023 Series Owner's Service Manual

EAM30017

REMOVING THE FRONT WHEEL

1. Use a maintenance stand to raise the front
wheel off the ground.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
2. Remove:
• Front wheel
EAM30019

DISASSEMBLING THE FRONT WHEEL

1. Remove:
• Oil seal
• Bearing
a. Clean the outside of the front wheel hub.
b. Remove the oil seals "1" with a flat-head
screwdriver.
TIP
To prevent damaging the wheel, place a rag "2"
between the screwdriver and the wheel surface.
1
c. Remove the bearings with a bearing pull-
er.
EAM30018

CHECKING THE FRONT WHEEL

1. Check:
• Front wheel axle
Roll the front wheel axle on a flat surface.
Bends  Replace.
EWA13460
WARNING
Do not attempt to straighten a bent wheel ax-
le.
2. Check:
• Tire
• Front wheel
Damage/wear  Replace.
Refer to "CHECKING THE TIRES" on page
3-33 and "CHECKING THE WHEELS" on
page 3-33.
3. Check:
4. Tighten:
TIP
After tightening the spokes, measure the wheel
runout.
5. Measure:
2
6. Check:
7. Check:
EAM30020

ASSEMBLING THE FRONT WHEEL

1. Install:
TIP
• Apply the lithium-soap-based grease to the oil
4-6
FRONT WHEEL
• Spoke
Refer to "CHECKING AND TIGHTENING
THE SPOKES" on page 3-33.
• Spoke
Refer to "CHECKING AND TIGHTENING
THE SPOKES" on page 3-33.
Spoke
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
• Radial wheel runout "a"
• Lateral wheel runout "b"
Out of specification  Repair/replace.
Radial wheel runout limit
2.0 mm (0.08 in)
Lateral wheel runout limit
2.0 mm (0.08 in)
• Collar
Damage/wear  Replace.
• Bearing
Front wheel turns roughly or is loose  Re-
place the wheel bearings.
• Oil seal
Damage/wear  Replace.
• Bearing (left side) "1"
• Spacer "2"
• Bearing (right side) "3"
• Oil seal "4"
New
seal lip when installing.
b
a
New
New