Yamaha XZ550RJ 1982 Owner's Manual page 231

I
1.
Pinch bolt
I. Bouton de pincement
1. Prenos de apriete
- 219 -
3. Remove the axle nut cotter pin and axle
nut. Discard the old pin.
4. Loosen the rear axle pinch bolt and pull
out the rear axle.