Yamaha BR250F Service Manual page 122

1. Feeler gauge
2. Sliding
sheave
3. Inspect the sliders for scratches or other
damage. If any, replace them.
4. Inspect the rollers for wear. If any,
replace them.
1.
Roller
5. Inspect the weights for wear. If any,
replace them.
-9
6. Check the spring. Replace it, if it is
fatigued or damaged.