Rear crankcase and brake B5

1. thrust ring
2. Brake return spring B5
3. Sealing ring
4. B5 brake piston
5. Sealing ring
6. Rear crankcase
7. battery cover
8. Sealing ring
9. Spring
10. Sealing ring
11. Forward clutch accumulator piston (C1)
12. clamp
13. Inlet tube to underdrive clutch (C3)
14. Sealing ring
15. Sealing ring
16. thrust ring
17. Flange B5
18. Plate B5
19. Disc B5
20. Elastic disc B5