| Order | Job name/Part name | Quantity | Remarks |
| Cylinder head removal | Remove the parts in the order listed. | ||
| Engine assembly | Refer to "Engine removal". | ||
| Left crankcase cover | Refer to "Generator and starter clutch". | ||
| 1 | Tappet cover (exhaust)/O-ring | 1/1 | |
| 2 | Tappet cover (intake)/O-ring | 1/1 | |
| 3 | Exhaust pipe joint/gasket | 1/1 | |
| 4 | Carburetor joint/O-ring | 1/1 | |
| 5 | Oil delivery pipes | 2 | |
| 6 | Camshaft sprocket cover/O-ring | 1/1 | Refer to "Installing the cylinder heads". |
| 7 | Camshaft sprocket bolt | 1 |
| Order | Job name/Part name | Quantity | Remarks |
| 8 | Timing chain tensioner/gasket | 1/1 | Refer to "Removing/installing the cylinder heads". |
| 9 | Camshaft sprocket | 1 | |
| 10 | Cylinder head | 1 | |
| 11 | Dowel pins | 2 | Refer to "Installing the cylinder heads" |
| 12 | Cylinder head gasket | 1 |
For installation, reverse the removal procedure.