50. Cylinder Head Assemble

Cylinder Head Assemble

^ Tools Required
- J 38606 Valve Spring Compressor

Important: Use oversize valve stem seals if you install oversize valves.





1. Lubricate the valve stem with clean engine oil.
2. Install the valves.
3. Lightly lap the reconditioned valves into the valve seat.
4. Install the valve stem oil seals.
5. Install the valve springs.
6. Install the valve spring caps.





7. Compress the valve springs using the J 38606.
8. Install the valve spring cap keys. Hold the valves in place with grease, if necessary.
9. Release the valve springs.
10. Ensure that the valve locks are seated.
11. Measure valve spring installed height.
12. If the valve spring installed height is not within specifications install 0.25 mm (0.010 inch) rocker arm shims as needed. If more than 2 shims are needed replace the cylinder head or valve.





Notice: In order to avoid damage, install the spark plugs after the cylinder head has been installed on the engine.

13. Install the fuel line bracket.

Notice: Refer to Fastener Notice in Service Precautions.

14. Install the fuel line bracket bolt or stud.
^ Tighten the fuel line bracket bolt or stud to 50 Nm (37 ft. lbs.).