Yamaha YW50P Service Manual page 91

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
P R I M A R Y S H E A V E I N S P E C T I O N
1. Inspect:
• Primary sliding sheave (~
• Primary fixed sheave (~)
Wea r/Cracks/Scratch/Da mage
-->Replace.
. Check:
• Free m o v e m e n t
Insert the collar (~into the p r i m a r y slid-
ing sheave(~, and check for free move-
ment.
Stick or excessive p l a y - > R e p l a c e the
sheave or collar.
.
Measure:
• Out side d i a m e t e r (~) (weight)
Out of specification-->Replace.
- - - - ~ O u t side d i a m e t e r (weight)
15.0 mm(0.59 in)
<Limit 14.5 mm>(0.57 in)
4-19