Yamaha XV19SX(C) Service Manual page 245

EAS23520
REMOVING THE DRIVE BELT AND DRIVE
PULLEY
NOTE:
Loosen the drive pulley nut before removing the
rear wheel.
1. Loosen:
• Drive pulley nut "1"
NOTE:
When loosening the drive pulley nut, press down
on the brake pedal so the drive pulley does not
move.
1
EAS23530
CHECKING THE DRIVE BELT
1. Clean:
• Drive belt
M MMM M MMM M M MMM M M MMM M
a. Wipe the drive belt with a clean cloth.
b. Put the drive belt in a mixture of mild deter-
gent and water. Then, remove any dirt from
the drive belt.
c. Remove the drive belt from the mixture and
rinse it off with clean water. Then, let the drive
belt thoroughly dry.
L LLL L LLL L L LLL L L LLL L
2. Check:
• Drive belt
ECA14690
CAUTION:
• To protect the drive belt from damage, han-
dle it with care.
M MMM M M MMM M MMM
L LLL L L LLL L LLL
4-92
• The drive belt can not be bent smaller than
127 mm (5 in) "a".
• The removed drive belt can not be twisted
inside out.
3. Check:
• Drive pulley
• Rear wheel pulley
Bent teeth → Replace the drive belt and pul-
leys as a set.
EAS23540
INSTALLING THE DRIVE BELT AND DRIVE
PULLEY
1. Install:
• Drive pulley "1"
• Conical spring washer "2"
• Drive pulley nut "3"
NOTE:
• Install the conical spring washer "2" with the
"OUT" mark "a" facing out.
• Apply engine oil to the conical spring washer
and drive pulley nut.
1
3
New
2. Install:
• Drive belt
ECA14710
CAUTION:
Install the drive belt facing the same way it
was removed.
Do not twist the drive belt when installing it.
BELT DRIVE
New
2
a
U