| Item | Part No. | Part Name | Qty | Serial No. |
| \0.99 | (22K-01-31101) | ENGINE, ASSEMBLY | | |
| 1 | YM719717-01561 | CYLINDER BLOCK, ASSEMBLY | | |
| 4 | YM105311-01090 | PLUG | | |
| 5 | YM119623-01250 | PLUG | | |
| 6 | YM119285-01990 | PLUG | | |
| 7 | YM119620-02020 | SCREW | | |
| 10 | YM119717-02411 | BUSHING | | |
| 11 | YM124060-01050 | PLUG, TAPERED | | |
| 12 | YM124160-01910 | PLUG, TAPERED | | |
| 13 | YM27241-120000 | PLUG | | |
| 23 | YM119717-02930 | THRUST METAL ASSEMBLY, STANDARD | | |
| 26 | YM119810-01200 | SCREW | | |
| 27 | YM119717-01330 | GASKET | | |
| 28 | YM719717-02901 | MAIN METAL ASSEMBLY, STANDARD | | |
| 31 | YM719717-02911 | MAIN METAL ASSEMBLY, UNDERSIZED 0.25MM | | |
| 34 | YM119810-02941 | THRUST METAL ASSEMBLY, OVERSIZED 0.25MM | | |
