| Item | Part No. | Part Name | Qty | Serial No. |
| 6251-11-1200 | Cylinder Head Assembly | | 660001- |
| 1 | | Head, Cylinder | | 660001- |
| 2 | 6150-11-1320 | Insert | | 660001- |
| 2 | 6150-19-1320 | Insert | | 660001- |
| 2 | 6150-18-1320 | Insert, Exhaust Valve, Oversize 0.50mm | | 660001- |
| 2 | 6150-17-1320 | Insert, Exhaust Valve, Oversize 0.75mm | | 660001- |
| 2 | 6150-16-1320 | Insert, Exhaust Valve, Oversize 1.00mm | | 660001- |
| 3 | 6150-12-1380 | Insert | | 660001- |
| 3 | 6150-19-1380 | Insert | | 660001- |
| 3 | 6150-18-1380 | Insert | | 660001- |
| 3 | 6150-17-1380 | Insert | | 660001- |
| 3 | 6150-16-1380 | Insert | | 660001- |
| 4 | 6150-12-1370 | Guide, Valve (Service Only) | | 660001- |
| 5 | 6162-13-1150 | Plug, Expansion | | 660001- |
| 6 | 04260-00793 | Ball | | 660001- |
| 7 | 07043-70108 | Plug, Taper | | 660001- |
| 8 | 6150-42-4110 | Valve, Intake | | 660001- |
| 9 | 6150-42-4210 | Valve, Exhaust | | 660001- |
| 10 | 6150-41-4510 | Seat | | 660001- |
| 11 | 6150-41-4430 | Seat | | 660001- |
| 12 | 6136-42-4520 | Cotter, Valve | | 660001- |
| 13 | 6251-41-4450 | Spring | | 660001- |
| 14 | 6150-41-4570 | Seal | | 660001- |
| 15 | 6210-11-1140 | Guide | | 660001- |
| 16 | 04020-00820 | Pin, Dowel | | 660001- |
| 16 | 6150-42-5600 | Crosshead Assembly | | 660001- |
| 17 | 6150-42-5610 | Crosshead | | 660001- |
| 18 | 6150-41-5621 | Screw | | 660001- |
| 19 | 6150-41-5630 | Nut | | 660001- |
| 20 | 6251-11-1810 | Gasket, Cylinder Head | | 660001- |
| 20 | 6251-19-1810 | Gasket, Cylinder Head, Oversize 0.4mm | | 660001- |
| 20 | 6150-11-1970 | Grommet, Oil | | 660001- |
| 20 | 6150-19-1970 | Grommet, Oil, Oversize 0.4mm | | 660001- |
| 20 | 6150-11-1930 | Grommet, Oil | | 660001- |
| 20 | 6150-19-1930 | Grommet, Oil, Oversize 0.4mm | | 660001- |
| 20 | 6150-11-1950 | Grommet, Water | | 660001- |
| 20 | 6150-19-1950 | Grommet, Water, Oversize 0.4mm | | 660001- |
| 20 | 6150-12-1960 | Grommet, Water | | 660001- |
| 20 | 6150-19-1960 | Grommet, Water, Oversize 0.4mm | | 660001- |
| 20 | 6150-11-1960 | Grommet, Water | | 660001- |
| 20 | 6251-19-1960 | Grommet, Water, Oversize 0.4mm | | 660001- |
| 21 | 6150-11-1620 | Bolt | | 660001- |
| 22 | 6164-31-3330 | Washer | | 660001- |
| 23 | 01438-01020 | Bolt | | 660001- |
