Yamaha 2008 YW50X Service Manual page 173

F.O°T W.EE. A°O B.A.E O.SO IC"ASI oI
4. Inspect:
• Collar
Grooved wear-->Replace the collar and
the oil seal as a set.
Y e . . . . .
BRAKE DISC I N S P E C T I O N
1. Measure:
• Brake disc deflection(~
I ~ 1 M a x i m u m deflection:
0.15 mm (0.0059 in)
Out of specification-->Replace.
2. Measure:
• Brake disc thickness(~
Brake disc thickness:
4.0 mm (0.16 in)
M i n i m u m thickness:
3.5 mm(0.14 in)
Out of specification-->Replace.
6-4
Y e . . . . .
F R O N T W H E E L A S S E M B L Y
1. Install:
• Bearing (~
• Collar @~)
• Spacer (~)
• Bearing (~
• Oil seal (~
NOTE:
• A p p l y the lithium soap base grease on the
bearing and oil seal lip w h e n installing.
• Use a socket that matches the outside diam-
eter of the race of the bearing.
• A l w a y s use a n e w oil seal.
• Install the oil seal w i t h its m a n u f a c t u r e r ' s
marks or numbers facing o u t w a r d .
CAUTION:
Do n o t strike t h e inner race of balls of t h e bear-
ing. C o n t a c t s h o u l d be m a d e only w i t h t h e
outer race.