Checking And Replacing The V-Belt - Yamaha YXR70FX Service Manual

CHECKING AND REPLACING THE V-BELT

80 mm (3.15 in)
1
3 - 27
EBS00078
CHECKING AND REPLACING THE V-BELT
1. Remove:
• drive belt cover
Refer to "PRIMARY AND SECONDARY
SHEAVES" in chapter 4.
2. Check:
• V-belt 1
Cracks/wear/scaling/chipping → Replace.
Oil/grease → Check primary sheave and
secondary sheave.
3. Measure:
• V-belt width 2
Out of specification → Replace.
V-belt width
33.3 mm (1.31 in)
<Limit>: 30.0 mm (1.18 in)
4. Replace:
• V-belt
M MMM M MMM M M MMM M M MMM M
a. Install the bolts 1 (90101-06018) into the
secondary fixed sheave hold.
TIP:
_
Tightening the bolts 1 will push the secondary
sliding sheave away, causing the gap between
the secondary fixed and sliding sheaves to
widen.
b. Remove the V-belt 1 from the primary
sheave and secondary sheave.
CHK
ADJ
M MMM M M MMM M MMM