| Item | Part No. | Part Name | Qty | Serial No. |
| 6128-31-2042 | PISTON ASS'Y | | 20342-26690 |
| 6128-31-2041 | PISTON ASS'Y | | 20338-20341 |
| 6128-31-2050 | PISTON ASS'Y,(SERVICE PARTS) | | 20338-@ |
| | (6128-31-2050(6),6128-31-2060) | | |
| 1 | 6128-31-2122 | PISTON | | 20342-26690 |
| 1 | 6128-31-2121 | PISTON | | 20338-20341 |
| 1 | 6128-31-2140 | PISTON,(SERVICE PARTS) | | 20338-@ |
| 2 | 6127-31-2410 | PIN | | 20338-@ |
| 3 | 6120-31-2120 | RING | | 20338-@ |
| 6128-31-2023 | PISTON RING ASS'Y | | 25755-26690 |
| \0\6128-31-2022 | PISTON RING ASS'Y | | 22993-25754 |
| \0\6128-31-2021 | PISTON RING ASS'Y | | 20338-22992 |
| 6128-31-2060 | PISTON RING ASS'Y,(SERVICE PARTS) | | 20338-@ |
| 6128-31-2033 | PISTON RING ASS'Y,PER CYLINDER | | 25755-26690 |
| \0\6128-31-2032 | PISTON RING ASS'Y,PER CYLINDER | | 22993-25754 |
| \0\6128-31-2031 | PISTON RING ASS'Y,PER CYLINDER | | 20338-22992 |
| 6128-31-2070 | PISTON RING ASS'Y,(SERVICE PARTS) | | 20338-@ |
| 4 | \6\ | RING,TOP | | 22993-26690 |
| 4 | \6\ | RING,TOP | | 20338-22992 |
| 4 | \6\ | RING,(SERVICE PARTS) | | 20338-@ |
| 5 | \6\ | RING,2ND | | 25755-26690 |
| 5 | \6\ | RING,2ND | | 20338-25754 |
| 5 | \6\ | RING,(SERVICE PARTS) | | 20338-@ |
| 6 | \6\ | RING,OIL | | 22993-26690 |
| 6 | \6\ | RING,OIL | | 20338-22992 |
| 6 | \6\ | RING,(SERVICE PARTS) | | 20338-@ |
| 7 | \6\ | RING,OIL | | 20338-26690 |
| 6127-31-3101 | CONNECTING ROD ASS'Y | | 20338-@ |
| 8 | \6\ | ROD | | 20338-@ |
| 9 | \6\ | CAP | | 20338-@ |
| 10 | 6127-31-3131 | BUSHING | | 20338-@ |
| 11 | 6127-31-3314 | BOLT | | 20338-@ |
| 12 | 6127-31-3321 | NUT | | 20338-@ |
| 13 | 6127-31-3333 | WASHER | | 20338-@ |
| | STANDARD | | |
| 6127-31-3042 | CRANK PIN METAL A. | | 20338-@ |
| 14 | \6\ | METAL,UPPER | | 20338-@ |
| 15 | \6\ | METAL,LOWER | | 20338-@ |
| | UNDERSIZE 0.25MM | | |
| 14 | 6127-39-3042 | CRANK PIN METAL A. | | 20338-@ |
| 14 | \6\ | METAL,UPPER | | 20338-@ |
| 15 | \6\ | METAL,LOWER | | 20338-@ |
| | UNDERSIZE 0.50MM | | |
| 14 | 6127-38-3042 | CRANK PIN METAL A. | | 20338-@ |
| 14 | \6\ | METAL,UPPER | | 20338-@ |
| 15 | \6\ | METAL,LOWER | | 20338-@ |
| | UNDERSIZE 0.75MM | | |
| 14 | 6127-37-3042 | CRANK PIN METAL A. | | 20338-@ |
| 14 | \6\ | METAL,UPPER | | 20338-@ |
| 15 | \6\ | METAL,LOWER | | 20338-@ |
| | UNDERSIZE 1.00MM | | |
| 14 | 6127-36-3042 | CRANK PIN METAL A. | | 20338-@ |
| 14 | \6\ | METAL,UPPER | | 20338-@ |
| 15 | \6\ | METAL,LOWER | | 20338-@ |
