1. Place the cylinder head on the ST.
| ST 498267800 | CYLINDER HEAD TABLE |
2. Compress the valve spring and remove the valve spring retainer key using ST. Remove each valve and valve spring.
| ST 499718000 | VALVE SPRING REMOVER |
NOTE:
• Keep all the removed parts in order for re-installing in their original positions.
• Mark each valve to prevent confusion.
• Pay careful attention not to damage the lips of intake valve oil seals and exhaust valve oil seals.
• For removal and installation procedures of the valve guide, intake valve oil seal and exhaust valve oil seal, refer to “Inspection”. 
