Yamaha YW50P Service Manual page 126

F.OOT W . E E . . O 0 B . . . E O.SO IONASI oI
Y P 7 0 0 0 4 0
W H E E L S T A T I C B A L A N C E A D J U S T M E N T
NOTE:
• After replacing the tire and/or rim, the wheel
static balance should be adjusted.
• A d j u s t the front wheel static balance with the
brake disc installed.
/
1. Remove:
• Balancing w e i g h t
2. Set:
• Wheel
(on a suitable stand)
3. Find:
• Heavy spot
Procedure:
a. Spin the wheel and w a i t for it to rest.
b. Put an "X~" mark on the w h e e l ' s b o t t o m
spot.
c. Turn the wheel so that the "X~" mark is
90 ° up.
d. Release the wheel and wait for it to rest.
Put an " X 2 " mark on the w h e e l ' s b o t t o m
spot.
e. Repeat the above b., c., and d. several
times until all marks come to the same
spot.
f. This spot is the w h e e l ' s heavy spot " X " .
4. Adjust:
• Wheel static balance
A d j u s t i n g steps:
• Instail a balancing w e i g h t (~ on the rim ex-
actly opposite to the heavy spot " X ' .
NOTE:
Start w i t h the smallest weight.
• Turn the wheel so that the heavy spot is 90 °
up.
• Check that the heavy spot is at rest there. If
not, try another w e i g h t until the wheel is bal-
anced.
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