Checking The Brake Discs - Yamaha BT1100 2002 Service Manual

FRONT WHEEL AND BRAKE DISCS
4. Check:
• wheel bearings
Front wheel turns roughly or is loose
Replace the wheel bearings.
• oil seals
Damage/wear
5. Replace:
• wheel bearings (New)
• oil seals (New)
a. Clean the outside of the front wheel hub.
b. Remove the oil seals 1 with a flat-head
screwdriver.
NOTE:
To prevent damaging the wheel, place a rag 2
between the screwdriver and the wheel surface.
c. Remove the wheel bearings 3 with a general
bearing puller.
d. Install the new wheel bearings and oil seals in
the reverse order of disassembly.
CAUTION:
Do not contact the wheel bearing center race
5 or balls 6. Contact should be made only
with the outer race 7.
NOTE:
Use a socket 4 that matches the diameter of the
wheel bearing outer race and oil seal.
EAS00531

CHECKING THE BRAKE DISCS

The following procedure applies to all of the brake
discs.
1. Check:
• brake disc
Damage/galling
2. Measure:
• brake disc deflection
Out of specification
disc deflection or replace the brake disc.
6-4
CHAS
Front wheel radial runout limit
1.0 mm
Front wheel lateral runout limit
0.5 mm
Replace.
Replace.
Correct the brake