| Item | Part No. | Part Name | Qty | Serial No. |
| 6204-13-1100 | CYLINDER HEAD ASS'Y,VALVE LESS | | 131803- |
| 1 | \6\ | HEAD,CYLINDER | | 131803- |
| 2 | 6204-19-1310 | GUIDE,VALVE | | 131803- |
| 3 | 07046-41810 | PLUG | | 131803- |
| 4 | 07046-42216 | PLUG | | 131803- |
| 5 | 07046-42516 | PLUG | | 131803- |
| 6 | 02720-40104 | PLUG | | 131803- |
| 7 | 6204-11-8910 | PIPE,BREATHER | | 131803- |
| 8 | 6207-41-4110 | VALVE,INTAKE | | 131803- |
| 9 | 6204-43-4210 | VALVE,EXHAUST | | 131803- |
| 10 | 6204-41-4510 | SEAT,SPRING | | 131803- |
| 11 | 6204-41-4520 | COTTER | | 131803- |
| 12 | 6204-41-4431 | SPRING,VALVE | | 131803- |
| 13 | 6204-41-4540 | SEAL,VALVE (K1) | | 131803- |
| 14 | 6204-41-4550 | CAP,VALVE STEM | | 131803- |
| 15 | 6204-11-1830 | GASKET,HEAD (K1) | | 172882- |
| \1\6205-11-1813 | GASKET,HEAD | | 149345-172881 |
| \0\6204-11-1812 | GASKET,HEAD | | 137006-149344 |
| \1\6204-11-1830 | GASKET,HEAD (K1) | | 131803-137005 |
| 16 | 6204-13-1610 | BOLT | | 131803- |
| 17 | 01643-51232 | WASHER | | 131803- |
| 18 | 6207-11-1430 | SEAT,INTAKE VALVE (SERVICE PARTS) (STD) | | 131803- |
| 6207-19-1430 | SEAT¤ 0.25MM,INTAKE VALVE (SERVICE PARTS) (OS) | | 131803- |
| 6207-18-1430 | SEAT¤ 0.50MM,INTAKE VALVE (SERVICE PARTS) (OS) | | 131803- |
| 19 | 6204-11-1440 | SEAT,EXHAUST VALVE (SERVICE PARTS) (STD) | | 131803- |
| 6204-19-1440 | SEAT¤ 0.25MM,EXHAUST VALVE (SERVICE PARTS) (OS) | | 131803- |
| 6204-18-1440 | SEAT¤ 0.50MM,EXHAUST VALVE (SERVICE PARTS) (OS) | | 131803- |
