Parts on group CYLINDER BLOCK:
| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 21100-45000 | [1] | CRANKCASE ASSY | |
| 2. | 21131-45900 | [4] | SLEEVE-CYLINDER | STD | 
| 2. | 21131-45901 | [4] | SLEEVE-CYLINDER | 0.5 O/S | 
| 5. | 14303-12240 | [1] | PIN-DOWEL | |
| 6. | 15733-22000 | [2] | CAP-SEALING | |
| 7. | 15733-28000 | [3] | CAP-SEALING | |
| 8. | 15733-50000 | [2] | CAP-SEALING | |
| 9. | 15733-40000 | [6] | CAP-SEALING | |
| 11. | 21114-45000 | [10] | BOLT-BEARING CAP | |
| 12. | 21121-41000 | [4] | PIN-DOWEL | |
| 20. | 21181-45900 | [1] | BUSHING-CAM/SHT,NO 1 | |
| 21. | 21182-45900 | [1] | BUSHING-CAM/SHT,NO 2 | |
| 22. | 21183-45900 | [1] | BUSHING-CAM/SHT,NO 3 | |
| 23. | 21184-45900 | [1] | BUSHING-CAM/SHT,NO 4 | |
| 24. | 21185-45900 | [1] | BUSHING-CAM/SHT,NO 5 | |
| 25. | 21187-93000 | [1] | PIN-DOWEL | |
| 26. | 21191-93000 | [6] | PIN-SPRING | |
| 27. | 21192-72000 | [1] | PIN-DOWEL | |
| 28. | 21194-41000 | [1] | CAP-SEALING | |
| 30. | 24141-35500 | [4] | PIN-DOWEL | |
| 3. | 11403-06121 | [7] | BOLT-FLANGE | |
| 4. | 11403-08161 | [5] | BOLT | |
| 10. | 21020-45020 | [1] | BEARING SET-CRK/SHT | STD | 
| 10. | 21020-45920 | [AR] | BEARING SET-CAK/SHT | 0.25 U/S | 
| 10. | 21020-45921 | [AR] | BEARING SET-CAK/SHT | 0.50 U/S | 
| 10. | 21020-45922 | [AR] | BEARING SET-CAK/SHT | 0.75 U/S | 
| 10. | 21020-45923 | [AR] | BEARING SET-CAK/SHT | 1.00 U/S | 
| 13. | 21124-45001 | [2] | SEAL-CRK/SHT BEARING | |
| 14. | 21125-45210 | [1] | PLATE-FRT | |
| 15. | 21126-45001 | [1] | GASKET-FRT PLATE | |
| 16. | 21127-45001 | [1] | SEAL-OIL RR | |
| 17. | 21129-45001 | [1] | SEAL-OIL CRK/SHT RR | |
| 18. | 21140-45000 | [4] | VALVE ASSY-CHECK | |
| 19. | 21150-45000 | [4] | JET ASSY-OIL | |
| 29. | 21215-45000 | [3] | PLATE-CAK/SHT THRUST | |
| 29. | 21215-45020 | [AR] | PLATE-CRK/SHT THRUST |