| Item | Part No. | Part Name | Qty | Serial No. |
| 6128-11-1012 | CYLINDER HEAD ASS'Y | | 50816- |
| 6128-11-1022 | CYLINDER HEAD ASS'Y | | 50816- |
| 1 | \6\ | HEAD,CYLINDER | | 50816- |
| 2 | 6128-11-1130 | SLEEVE | | 50816- |
| 3 | 6127-11-1141 | GUIDE,CROSSHEAD | | 50816- |
| 4 | 6127-11-1341 | GUIDE,VALVE | | 50816- |
| 5 | 6127-11-1335 | SEAT,INTAKE VALVE (STD) | | 50816- |
| 5 | 6127-19-1335 | SEAT, 0.25MM,INTAKE VALVE (OS) | | 50816- |
| 5 | 6127-18-1335 | SEAT, 0.50MM,INTAKE VALVE (OS) | | 50816- |
| 5 | 6127-17-1335 | SEAT, 0.75MM,INTAKE VALVE (OS) | | 50816- |
| 5 | 6127-16-1335 | SEAT, 1.00MM,INTAKE VALVE (OS) | | 50816- |
| 6 | 6127-11-1325 | SEAT,EXHAUST VALVE (STD) | | 50816- |
| 6 | 6127-19-1325 | SEAT, 0.25MM,EXHAUST VALVE (OS) | | 50816- |
| 6 | 6127-18-1325 | SEAT, 0.50MM,EXHAUST VALVE (OS) | | 50816- |
| 6 | 6127-17-1325 | SEAT, 0.75MM,EXHAUST VALVE (OS) | | 50816- |
| 6 | 6127-16-1325 | SEAT, 1.00MM,EXHAUST VALVE (OS) | | 50816- |
| 7 | 07046-43016 | PLUG | | 50816- |
| 8 | 07046-42516 | PLUG | | 50816- |
| 9 | 6127-41-4113 | VALVE,INTAKE | | 50816- |
| 10 | 6127-41-4214 | VALVE,EXHAUST | | 50816- |
| 11 | 6127-41-4410 | SPRING,VALVE | | 50816- |
| 12 | 6127-41-4530 | SEAT,SPRING | | 50816- |
| 13 | 6127-41-4541 | SEAL,VALVE STEM (K1) | | 50816- |
| 6127-40-4501 | VALVE COTTER ASS'Y | | 50816- |
| 14 | 6127-41-4510 | SEAT,SPRING | | 50816- |
| 15 | 6127-41-4522 | COTTER | | 50816- |
| 16 | 6127-11-1410 | COVER | | 50816- |
| 17 | 6110-61-6832 | GASKET (K1) | | 55407- |
| 17 | \0\6110-61-6831 | GASKET (K1) | | 50816-55406 |
| 18 | 01010-81030 | BOLT | | 57471- |
| 18 | \0\01010-31030 | BOLT | | 50816-57470 |
| 19 | 01602-01030 | WASHER,SPRING | | 50816- |
| 20 | 6127-41-5614 | CROSSHEAD | | 50816- |
| 21 | 6127-41-5641 | SCREW,ADJUSTING | | 50816- |
| 22 | 6127-41-5630 | NUT | | 50816- |
| 6127-11-1087 | GASKET ASS'Y,CYLINDER HEAD (K1) | | 50816- |
| 23 | \6\ | GASKET | | 50816- |
| 24 | 6127-11-1851 | RETAINER | | 50816- |
| 25 | 6127-11-1841 | GROMMET | | 50816- |
| 26 | 6127-11-1612 | BOLT | | 50816- |
| 27 | 6127-11-1620 | WASHER | | 50816- |
