| Fig. | Part No. | Description | Quantity |
| 10 | 10022300 | Cylinder head | 1 |
| 1 | 10036600 | Valve guide, inlet and exhaust | 2 |
| 12 | 90353017 | Valve guide circlip | 2 |
| 13 | 96452420 | Exhaust pipe stud | 2 |
| 14 | 10036000 | Inlet valve | 1 |
| 15 | 10036100 | Exhaust valve | 1 |
| 16 | 10037000 | Base washer for external valve spring | 2 |
| 17 | 10037100 | Base washer for internal valve spring | 2 |
| 18 | 10037400 | External valve spring | 2 |
| 19 | 10037600 | Internal valve spring | 2 |
| 20 | 10038000 | Valve spring cap or retainer | 2 |
| 21 | 10038100 | Valve collets | 4 |
| 22 | 10024400 | Rocker box | 1 |
| 23 | 10035000 | Rocker box to cylinder head gasket | 2 |
| 24 | 10035100 | Pushrod tube gasket, rocker box to cylinder head joint | 1 |
| 25 | 98620445 | Rocker box bolt | 8 |
| 26 | 10030201 | Inlet rocker complete with bushes | 1 |
| 26/1 | 91111523 | Inlet rocker bush (valve end) | 1 |
| 26/2 | 10031200 | Inlet rocker distance piece, pushrod end | 1 |
| 27 | 10030400 | Exhaust rocker complete with bushes | 1 |
| 28 | 12034001 | Valve gap adjuster screw | 2 |
| 29 | 10034100 | Valve gap adjuster nut | 2 |
| 30 | 10032001 | Rocker shaft | 2 |
| 31 | 10032700 | Rocker spacing washer | 4 |
| 32 | 94322215 | Rocker spacing spring | 2 |
| 33 | 10032800 | Rocker thrust washer | 2 |
| 34 | 90706150 | Rocker shaft sealing ring | 2 |
| 35 | 92730121 | Rocker shaft dome nut | 2 |
| 36 | 10800500 | Decompressor lever | 1 |
| 37 | 10800701 | Decompressor return spring | 1 |
| 38 | 90706087 | Decompressor lever washer | 1 |
| 39 | 10802200 | Decompressor lever spacing spring | 1 |
| 40 | 10802100 | Decompressor cam | 1 |
| 41 | 92602206 | Decompressor lever nut | 1 |
| 41 | 92602206 | Pushrod tube base nut | 2 |
| 42 | 95400212 | Decompressor lever split pin | 1 |
| 43 | 95980117 | Inlet valve inspection cover | 1 |
| 44 | 10154200 | Inlet valve inspection cover washer | 1 |
| 45 | 10024500 | Rocker box cover | 1 |
| 46 | 98620335 | Long bolt for rocker box cover | 4 |
| 47 | 98622318 | Short bolt for rocker box cover | 6 |
| 48 | 10024700 | Rocker box cover gasket | 1 |
| 49 | 10022800 | Thick rubber pushrod tube gasket, head to cylinder joint | 1 |
| 50 | 10022000 | Head gasket | 1 |
| 51 | 10020200 | Cylinder, with liner | 1 |
| 52 | 10020800 | Base gasket | 1 |
| 53 | 10115000 | Inlet manifold | 1 |
| 54 | 10115500 | Insulating gasket for inlet | 1 |
| 55 | 98620435 | Inlet manifold bolt | 3 |
| 56 | 95100223 | Washer for inlet manifold bolt | 3 |
| 57 | 90716083 | Insulating washer for inlet manifold bolt | 3 |
| 58 | 10021700 | Cylinder stud bolt | 4 |
| 59 | 10021600 | Cylinder bolt washer | 4 |
| 60 | 92602112 | Cylinder bolt nut | 4 |
| 61 | 91111522 | Bush for inlet and exhaust rocker | 3 |
| 62 | 95512062 | Locating dowel for rocker box | 2 |
| 63 | 96452320 | Stud for base of pushrod tube | 2 |
| 64 | 10801500 | Decompressor cable | 1 |
| 65 | 95004213 | Washer for decompressor lever | 1 |
| 66 | 10031300 | Distance piece for exhaust rocker bush | 1 |