| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 6251-31-2510 | Piston | | 660089- |
| 2 | 6151-31-2410 | Pin, Piston | | 660089- |
| 3 | 04065-04818 | Ring, Snap | | 660089- |
| 3 | 6251-31-2030 | Piston Ring Assembly, PER Cylinder | | 660089- |
| 4 | | Ring, Top | | 660089- |
| 5 | | Ring, Second | | 660089- |
| 6 | | Ring, Oil | | 660089- |
| 6 | 6251-31-3100 | Connecting Rod Assembly | | 660089- |
| 7 | | Rod, Connecting | | 660089- |
| 8 | | Cap, Connecting Rod | | 660089- |
| 9 | 6251-31-3130 | Bushing | | 660089- |
| 10 | 6150-31-3310 | Bolt | | 660089- |
| 11 | 02400-10413 | Pin, Dowel | | 660089- |
| 12 | 6151-31-3050 | Metal Assembly | | 660089- |
| 12 | 6151-39-3050 | Metal Assembly, Undersize 0.25mm | | 660089- |
| 12 | 6151-38-3050 | Metal Assembly, Undersize 0.50mm | | 660089- |
| 12 | 6151-37-3050 | Metal Assembly, Undersize 0.75mm | | 660089- |
| 12 | 6151-36-3050 | Metal Assembly, Undersize 1.00mm | | 660089- |
| 12 | | Metal, Upper | | 660089- |
| 12 | | Metal, Upper | | 660089- |
| 12 | | Metal, Upper | | 660089- |
| 12 | | Metal, Upper | | 660089- |
| 12 | | Metal, Upper | | 660089- |
| 12 | | Metal, Lower | | 660089- |
| 12 | | Metal, Lower | | 660089- |
| 12 | | Metal, Lower | | 660089- |
| 12 | | Metal, Lower | | 660089- |
| 12 | | Metal, Lower | | 660089- |
