Yamaha YB50 Service Manual page 114

1
2
3
2
1
3
1
2
4
REAR WHEEL
5. Measure:
• Thickness of brake shoes
Outside specified value
Brake shoes thickness
4.0 mm
Limit: 2.0 mm
6. Inspect:
• Drum brake iner surface
Oil/Scratches
7. Measure
• Drum brake inner diameter
Out of specification
Wear limit of brake drum
110.5 mm
ASSEMBLY
When the brake shoe carrier plate is assem-
bled, reverse the removal procedure.
Bear in mind the following points.
1. Install:
• Brake cam
NOTE:
Apply Grease with a lithium soap base on the
brake cam and pin
ATTENTION:
After installing the brake cam, remove
excess grease.
2. Install:
• Brake shoes
• Return spring
NOTE:
Install with the mark
3. Install:
• Torsion spring
• Wear indicator
• Cam lever
NOTE:
• Align the projection of the wear indicator
with the line as shown.
• Align the punch marks
6-11
CHAS
k
a
Change
Change
k
:
a
Change
.
outwards.
.