Yamaha 2002 CS50, Service Manual, Page: 131 / 204

CHAS
FRONT WHEEL
7-3
EAS00525
CHECKING THE FRONT WHEEL
1. Check:
• wheel axle
Roll the wheel axle on a flat surface.
Bends
Replace.
s s
WARNING
Do not attempt to straighten a bent wheel
axle.
2. Check:
• tire
• front wheel
Damage/wear Replace.
Refer to “CHECKING THE TIRES” and
“CHECKING THE WHEELS” in chapter 3.
3. Measure:
• radial wheel runout
• lateral wheel runout
Over the specified limits Replace.
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 seals
a. Clean the outside of the front wheel hub.
b. Remove the oil seals
with a flat-head
screwdriver.
NOTE:
To prevent damaging the wheel, place a rag
between the screwdriver and the wheel surfa-
ce.
c. Remove the wheel bearings with a gene-
ral bearing puller.
d. Install the new wheel bearings and oil seals
in the reverse order of disassembly.
Rim runout limit
Radial: 1.0 mm
Rim runout limit
Lateral: 1.0 mm
New
New