| Item | Part No. | Part Name | Qty | Serial No. |
| (37B-01-11101) | ENGINE ASS'Y | 17583- | ||
| 1 | YM729407-01561 | CYLINDER BLOCK ASS'Y | 17583- | |
| 2 | \6\ | BLOCK | 17583- | |
| 4 | YM129795-02411 | BUSHING | 17583- | |
| 5 | YM124160-01910 | PLUG | 17583- | |
| 6 | YM124160-01910 | PLUG | 17583- | |
| 7 | YM171051-01921 | PLUG | 17583- | |
| 8 | YM129150-02020 | BOLT | 17583- | |
| 11 | YM23876-010000 | PLUG | 17583- | |
| 12 | YM129001-01250 | PLUG | 17583- | |
| 13 | YM27241-120000 | PLUG | 17583- | |
| 14 | YM27241-300000 | PLUG | 17583- | |
| 15 | YM23876-030000 | PLUG | 17583- | |
| 19 | YM129001-02930 | MAIN METAL ASS'Y | 17583- | |
| YM129150-02870 | MAIN METAL ASS'Y,0.25MM (US) | 17583- | ||
| 22 | YM129150-02930 | THRUST METAL ASS'Y | 17583- | |
| YM129150-02940 | THRUST METAL ASS'Y,0.25MM (OS) | 17583- | ||
| 25 | YM129150-01200 | BOLT | 17583- | |
| 26 | YM129407-01340 | GASKET | 17583- |