Yamaha YFM 90 2021 Owner's Manual page 101

1. Upper adjusting bolt
2. Lower adjusting bolt
3. No more than 12 mm (0.47 in)
Rear brake
To check rear brake shoe wear, check the position
of the adjusting nut. If the nut is more than 18 mm
(0.71 in) from the end of the bolt, the brake shoes
need to be replaced.
3
1
2
1. Rear brake lever free play adjusting nut
2. Bolt
3. No more than 18 mm (0.71 in)
9-22
1
2
3
9