| Item | Part No. | Part Name | Qty | Serial No. |
| | STANDARD | | |
| 1 | 6204-31-2111 | PISTON (L) | | 18897- |
| 1 | 6204-31-2121 | PISTON (S) | | 18897- |
| | OVERSIZE 0.25MM | | |
| 1 | 6204-39-2111 | PISTON (L) | | 18897- |
| 1 | 6204-39-2121 | PISTON (S) | | 18897- |
| | OVERSIZE 0.50MM | | |
| 1 | 6204-38-2111 | PISTON (L) | | 18897- |
| 1 | 6204-38-2121 | PISTON (S) | | 18897- |
| 2 | 6204-31-2410 | PIN,PISTON | | 18897- |
| 3 | 04065-03012 | RING,SNAP | | 18897- |
| | STANDARD | | |
| 6204-31-2202 | PISTON RING ASS'Y,PER CYLINDER | | 60122- |
| \0\6204-31-2201 | PISTON RING ASS'Y,PER CYLINDER | | 41356-60121 |
| \0\6204-31-2200 | PISTON RING ASS'Y,PER CYLINDER | | 18897-41355 |
| 4 | \6\ | RING,TOP | | 18897- |
| 5 | \6\ | RING,SECOND | | 60122- |
| 5 | \6\ | RING,SECOND | | 18897-60121 |
| 6 | \6\ | RING,OIL | | 41356- |
| 6 | \6\ | RING,OIL | | 18897-41355 |
| | OVERSIZE 0.25MM | | |
| 4 | 6204-39-2202 | PISTON RING ASS'Y,PER CYLINDER | | 60122- |
| 4 | \0\6204-39-2201 | PISTON RING ASS'Y,PER CYLINDER | | 41356-61121 |
| 4 | \0\6204-39-2200 | PISTON RING ASS'Y,PER CYLINDER | | 18897-41355 |
| 4 | \6\ | RING,TOP | | 18897- |
| 5 | \6\ | RING,SECOND | | 60122- |
| 5 | \6\ | RING,SECOND | | 18897-60121 |
| 6 | \6\ | RING,OIL | | 41356- |
| 6 | \6\ | RING,OIL | | 18897-41355 |
| | OVERSIZE 0.50MM | | |
| 4 | 6204-38-2202 | PISTON RING ASS'Y,PER CYLINDER | | 60122- |
| 4 | \0\6204-38-2201 | PISTON RING ASS'Y,PER CYLINDER | | 41356-60121 |
| 4 | \0\6204-38-2200 | PISTON RING ASS'Y,PER CYLINDER | | 18897-41355 |
| 4 | \6\ | RING,TOP | | 18897- |
| 5 | \6\ | RING,SECOND | | 60122- |
| 5 | \6\ | RING,SECOND | | 18897-60121 |
| 6 | \6\ | RING,OIL | | 41356- |
| 6 | \6\ | RING,OIL | | 18897-41355 |
| 6204-31-3100 | CONNECTING ROD ASS'Y | | 18897- |
| 7 | \6\ | ROD,CONNECTING | | 18897- |
| 8 | \6\ | CAP | | 18897- |
| 9 | 6204-31-3130 | BUSHING | | 18897- |
| 10 | 6204-31-3310 | BOLT | | 18897- |
| | STANDARD | | |
| 6204-31-3400 | CRANK PIN METAL A. | | 18897- |
| 11 | \6\ | METAL | | 18897- |
| | UNDERSIZE 0.25MM | | |
| 11 | 6204-39-3400 | CRANK PIN METAL A. | | 18897- |
| 11 | \6\ | METAL | | 18897- |
| | UNDERSIZE 0.50MM | | |
| 11 | 6204-38-3400 | CRANK PIN METAL A. | | 18897- |
| 11 | \6\ | METAL | | 18897- |
| | UNDERSIZE 0.75MM | | |
| 11 | 6204-37-3400 | CRANK PIN METAL A. | | 18897- |
| 11 | \6\ | METAL | | 18897- |
| | UNDERSIZE 1.00MM | | |
| 11 | 6204-36-3400 | CRANK PIN METAL A. | | 18897- |
| 11 | \6\ | METAL | | 18897- |
