Yamaha 2004 YP400, Service Manual, Page: 144 / 417

4 - 4
CHAS
FRONT WHEEL AND BRAKE DISC
4. Check:
• wheel bearings
Front wheel turns roughly or is loose
→
Replace the wheel bearings.
• oil seals
Damage/wear
→
Replace.
5. Replace:
• wheel bearings
• oil seal
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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 sur-
face.
c. Remove the wheel bearings
3
with a gen-
eral bearing puller.
d. Install the new wheel bearings and new oil
seal in the reverse order of disassembly.
CAUTION:
_
Do not contact the wheel bearing inner race
4
or balls
5
. Contact should be made only
with the outer race
6
.
NOTE:
_
Use a socket
7
that matches the diameter of
the wheel bearing outer race and oil seal.
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New
New
EAS00532
CHECKING THE BRAKE DISCS
The following procedure applies to each brake
disc.
1. Check:
• brake disc
Damage/galling
→
Replace.