| Item | Part No. | Part Name | Qty | Serial No. |
| ENGINE, TIER I (SEE FIG. A0100-01A0) | A40034-A40042- | |||
| YM723900-01560 | CYLINDER BLOCK | A40034-A40042- | ||
| 1 | (NSS) | BLOCK | A40034-A40042- | |
| 2 | YM171051-01921 | PLUG | A40034-A40042- | |
| 3 | YM123900-02020 | BOLT | A40034-A40042- | |
| 4 | YM123900-02410 | BUSHING | A40034-A40042- | |
| 5 | YM223510-60012 | SPRING PIN | A40034-A40042- | |
| 6 | YM238750-30000 | PLUG | A40034-A40042- | |
| 7 | YM272317-00000 | PLUG | A40034-A40042- | |
| 8 | YM272413-00000 | PLUG | A40034-A40042- | |
| 9 | (NSS) | JOURNAL, REAR MAIN | A40034-A40042- | |
| 10 | (NSS) | JOURNAL, MAIN | A40034-A40042- | |
| 11 | YM123900-02800 | BEARING, STANDARD | A40034-A40042- | |
| 11 | YM123900-02870 | BEARING, -0.25 MM | A40034-A40042- | |
| 12 | YM123900-02930 | THRUST, BEARING STANDARD | A40034-A40042- | |
| 12 | YM123900-02940 | THRUST, BEARING +0.25 MM | A40034-A40042- | |
| 13 | YM123900-01340 | GASKET | A40034-A40042- | |
| 14 | BOLT (SEE FIG. A0103-01A0) | A40034-A40042- | ||