Yamaha TW125 1999, Service Manual

Page: 184 / 283

6-8
FRONT WHEEL AND BRAKE DISC
CHAS
NOTE:
NOTE:
NOTE:
EAS00548
ADJUSTING THE FRONT WHEEL STATIC
BALANCE
S
After replacing the tire, wheel or both, the front
wheel static balance should be adjusted.
S
Adjust the front wheel static balance with the
brake disc installed.
1. Remove:
S
balancing weight(-s) 1
Place the front wheel on a suitable balancing
stand.
2. Find:
S
front wheel’s heavy spot
a. Spin the front wheel.
b. When the front wheel stops, put an “
1
”
mark at the bottom of the wheel.
c. Turn the front wheel 90
_
so that the “X
1
” mark
is positioned as shown.
d. Release the front wheel.
e. When the wheel stops, put an “X
2
” mark at
the bottom of the wheel.
f. Repeat steps (b) through (d) several times
until all the marks come to rest at the same
spot.
g. The spot where all the marks come to rest is
the front wheel’s heavy spot “X”.
3. Adjust:
S
front wheel static balance
a. Install a balancing weight 1 onto the rim ex-
actly opposite the heavy spot “X”.
Start with the lightest weight.