| Item | Part No. | Part Name | Qty | Serial No. |
| 6131-31-2100 | PISTON ASS'Y | | 19078- |
| 1 | 6131-31-2110 | PISTON | | 19078- |
| 2 | 6130-31-2410 | PIN,PISTON | | 19078- |
| 3 | 6130-31-2510 | RING,SNAP | | 19078- |
| 6131-31-2201 | PISTON RING ASS'Y | | .- |
| \0\6131-31-2200 | PISTON RING ASS'Y | | 19078-. |
| 6131-31-2301 | PISTON RING ASS'Y,PER CYLINDER | | .- |
| \0\6131-31-2300 | PISTON RING ASS'Y,PER CYLINDER | | 19078-. |
| 4 | \6\ | RING,TOP | | .- |
| \6\ | RING,TOP | | 19078-. |
| 5 | \6\ | RING,SECOND | | 19078- |
| 6 | \6\ | RING,OIL | | 19078- |
| \6\ | RING,OIL | | 19078- |
| \6\ | COIL,RING | | 19078- |
| 6130-31-3101 | CONNECTING ROD ASS'Y | | 19078-39999 |
| 6130-31-3900 | CONNECTING ROD ASS'Y,(SERVICE PARTS) | | 19078- |
| 7 | \6\ | ROD | | 19078-39999 |
| \6\ | ROD,(SERVICE PARTS) | | 19078- |
| 8 | \6\ | CAP | | 19078-39999 |
| \6\ | CAP,(SERVICE PARTS) | | 19078- |
| 9 | 6130-31-3130 | BUSHING | | 19078- |
| 10 | 6130-31-3310 | BOLT | | 19078-39999 |
| 6110-31-3315 | BOLT,(SERVICE PARTS) | | 19078- |
| 11 | 6130-31-3320 | NUT | | 19078-39999 |
| 6110-31-3322 | NUT,(SERVICE PARTS) | | 19078- |
| 12 | 6114-31-3330 | WASHER,(SERVICE PARTS) | | 19078- |
| | STANDARD | | |
| 13 | 6130-31-3041 | CRANK PIN METAL A. | | .- |
| \0\6130-31-3040 | CRANK PIN METAL A. | | 19078-. |
| \6\ | METAL | | .- |
| \6\ | METAL | | 19078-. |
| | UNDERSIZE 0.25MM | | |
| 13 | 6130-39-3041 | CRANK PIN METAL A. | | .- |
| \0\6130-39-3040 | CRANK PIN METAL A. | | 19078-. |
| \6\ | METAL | | .- |
| \6\ | METAL | | 19078-. |
| | UNDERSIZE 0.50MM | | |
| 13 | 6130-38-3041 | CRANK PIN METAL A. | | .- |
| \0\6130-38-3040 | CRANK PIN METAL A. | | 19078-. |
| \6\ | METAL | | .- |
| \6\ | METAL | | 19078-. |
| | UNDERSIZE 0.75MM | | |
| 13 | 6130-37-3041 | CRANK PIN METAL A. | | .- |
| \0\6130-37-3040 | CRANK PIN METAL A. | | 19078-. |
| \6\ | METAL | | .- |
| \6\ | METAL | | 19078-. |
| | UNDERSIZE 1.00MM | | |
| 13 | 6130-36-3041 | CRANK PIN METAL A. | | .- |
| \0\6130-36-3040 | CRANK PIN METAL A. | | 19078-. |
| \6\ | METAL | | .- |
| \6\ | METAL | | 19078-. |