Cylinder Head Assembly

Cylinder Head

CYLINDER HEAD AND CAMSHAFT:

CYLINDER HEAD AND CAMSHAFT:

CYLINDER HEAD AND VALVE ASSEMBLY:

Disassembly
1. Remove the valve lifters.
2. Compress the valve spring and remove the valve spring retainer key. Remove each valve and valve spring.
ST1 498267600 CYLINDER HEAD TABLE
ST2 499718000 VALVE SPRING REMOVER

NOTE: Keep the removed parts in order for re-installing in their original positions.

CAUTION:
^ Mark each valve to prevent confusion.
^ Use extreme care not to damage the lips of the intake valve oil seals and exhaust valve oil seals.





Assembly





Installation of valve spring and valve:
1. Coat the stem of each valve with engine oil and insert the valve into valve guide.

NOTE: When inserting the valve into valve guide, use special care not to damage the oil seal lip.

2. Set the cylinder head on ST1.
3. Install the valve spring and retainer using ST2.
ST1 498267600 CYLINDER HEAD TABLE
ST2 499718000VALVE SPRING REMOVER

NOTE: Be sure to install the valve springs with their close-coiled end facing the seat on cylinder head.





4. Compress the valve spring, and then fit the valve spring retainer key.
5. After installing, tap the valve spring retainers lightly with wooden hammer for better seating.
6. Apply oil to the surface of the valve lifter.
7. Install the valve lifter.