Yamaha BR250F Service Manual page 128

The bolt head must be inserted
as shown.
PRIMARY SHEAVE
Apply to bottom
four threads or
thread-lockinq
compound such
as" LOCTITE #640
with
PRIMER T".
Belt width:
New: 31.6 mm (1.24 in)
Wear limit: 28 mm (1.10 in)
Bushing clearance:
0.25 mm (0.01 in)
Be sure the "X" on the sheave cap
aligns with
"X"
on the spider.
14 Nm (1.4 m-kg, 10 ft-Ib)
I
Bushing clearance:
I
0.25 mm (0.01 in)
Use molybdenum sprays
liberally on the weights.
......
~
Oiling Point
~
Greasing point
....... X
No oiling or greasing is allowed
-15 -
1. Spider
2. Plain washer
3. Roller
4. Bushing
5. Primary sheave cap
6. Fixed sheave
7. Fixed sheave stopper
8. V-belt
9. Sliding sheave
10. Slider
11. Bush
12. Plain washer
13. Weight