Yamaha 2008 YW50X Service Manual page 141

V-BELT, C L U T C H A N D I
S E C O N D A R Y / P R I M A R Y S H E A V E
I ENG
S E C O N D A R Y S H E A V E
1. Inspect:
• S e c o n d a r y fixed s h e a v e ( ~
• S e c o n d a r y s l i d i n g s h e a v e ( ~
Scratch/Crack/Damage-->Replace
as a
set.
• Oil seal ( ~
Da mage-->Replace
.
Inspect:
• T o r q u e cam g r o v e ( ~
• G u i d e pin (~)
Wear/Damage-->Replace as a set.
•
O - r i n g s (~)
Damage-->Replace.
.
M e a s u r e :
• Clutch s p r i n g free l e n g t h
Out of specification-->Replace.
Clutch s p r i n g free length:
94 m m ( 3 . 7 in)
<Limit>:
91 m m ( 3 . 5 8 in)
4. Inspect:
• Clutch h o u s i n g i n n e r surface
Oil/Scratches--~Remove.
Use a rag soaked in lacquer
Oil
t h i n n e r or s o l v e n t .
Use an e m e r y cloth ( l i g h t l y
Scratches
and e v e n l y p o l i s h i n g ) .
4-20
.
Measure:
• Clutch h o u s i n g i n s i d e d i a m e t e r ( ~
Out of specification-->Replace.
Clutch h o u s i n g inside d i a m e t e r :
105 m m ( 4 . 1 3 in)
< W e a r limit>:
105.5 m m ( 4 . 1 5 in)