Removing The Lower Bracket; Checking The Steering Head - Yamaha YZF-R1 Series Service Manual

EAS30213

REMOVING THE LOWER BRACKET

1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
2. Remove:
• Upper ring nut "1"
• Rubber washer
• Lower ring nut "2"
• Lower bracket
EWA13730
WARNING
Securely support the lower bracket so that
there is no danger of it falling.
TIP
• Hold the lower ring nut with steering nut
wrench, and then remove the upper ring nut
with the ring nut wrench "3".
• Remove the lower ring nut with the steering nut
wrench "4".
Ring nut wrench
90890-01268
Spanner wrench
YU-01268
Steering nut wrench
90890-01403
Exhaust flange nut wrench
YU-A9472
4
2
G088932
EAS30214

CHECKING THE STEERING HEAD

1. Wash:
• Bearing
• Bearing race
Recommended cleaning solvent
Kerosene
2. Check:
• Bearing
3
1
4-110
STEERING HEAD
• Bearing race
Damage/pitting → Replace the bearings and
bearing races as a set.
3. Replace:
• Bearing
• Bearing race
a. Remove the bearing races from the steer-
ing head pipe "1" with a long rod "2" and
hammer.
b. Remove the bearing race "3" from the low-
er bracket with a floor chisel "4" and ham-
mer.
c. Install a new dust seal and new bearing
races.
ECA14270
NOTICE
If the bearing race is not installed properly,
the steering head pipe could be damaged.
TIP
• Always replace the bearings and bearing races
as a set.
• Whenever the steering head is disassembled,
replace the dust seal.
G088933
G088934
4. Check:
• Upper bracket
• Lower bracket
(along with the steering stem)
Bends/cracks/damage → Replace.