| Item | Part No. | Part Name | Qty | Serial No. |
| (257-20-21500) | ENGINE ASS'Y | 1501- | ||
| KT19202-0404-1 | CASE ASS'Y | 1501- | ||
| 1 | KT19202-0486-1 | CASE | 1501- | |
| 2 | KT19202-0487-1 | CASE | 1501- | |
| 3 | KT15521-0454-3 | BOLT | 1501- | |
| 4 | KT15521-9401-1 | WASHER | 1501- | |
| 5 | KT15221-0436-1 | GASKET | 1501- | |
| 6 | KT19202-0481-1 | COVER | 1501- | |
| 7 | KT15221-0482-1 | GASKET | 1501- | |
| 8 | KT01123-50825 | BOLT | 1501- | |
| 9 | KT01123-50828 | BOLT | 1501- | |
| 10 | KT19202-0446-1 | SEAL,OIL | 1501- | |
| KT15521-0405-4 | BEARING CASE ASS'Y | 1501- | ||
| 11 | KT15521-0488-2 | CASE | 1501- | |
| 12 | KT15521-0489-4 | CASE | 1501- | |
| KT15521-0406-4 | BEARING CASE ASS'Y | 1501- | ||
| 13 | KT15521-0490-2 | CASE,BEARING | 1501- | |
| 14 | KT15521-0491-4 | CASE,BEARING | 1501- | |
| 15 | KT15921-0456-2 | BOLT | 1501- | |
| 16 | KT15521-9402-1 | WASHER | 1501- |