Special Tools

Caution: Refer to Fastener Caution in the Preface section.




1. Using a 10 mm straight hexagon wrench, install 3 new gaskets and the 3 No. 2 straight screw plugs and tighten to 44 N·m(33 lb ft).
2. Install the valve spring seats to the cylinder head.



3. Install valve stem oil seal.

Note: Pay close attention when installing the intake and exhaust oil seals. Installing the intake oil seal into the exhaust side or installing the exhaust oil seal to the intake side may cause installation problems later.

Note: The intake valve oil seal is gray (1) and the exhaust valve oil seal is black (2).

4. Apply a light coat of engine oil to a new oil seal.



5. Using EN-46116 remover/installer  (1) push in the oil seal.



6. Sufficiently apply engine oil to the tip (6) area of the intake valve shown in the illustration.

Note: Install the same parts in the same combination to the original locations.

7. Install the valve, compression spring and spring retainer to the cylinder head.



8. Using J-8062 compressor  (1) and EN-46353 adapter and wooden blocks (2), compress the spring and install the 2 retainer locks.




Note: Be careful not to damage the valve stem tip and retainer.

9. Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.



10. Sufficiently apply engine oil to the tip area (a) of the exhaust valve.

Note: Install the same parts in the same combination to the original locations.

11. Install the exhaust valve, compression spring and spring retainer to the cylinder head.



12. Using J-8062 compressor  (1) and EN-46353 adapter and wooden blocks (2), compress the spring and install the 2 retainer locks.




Note: Be careful not to damage the valve stem tip and retainer.

13. Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
14. Apply a light coat of engine oil to the valve stem caps.
15. Install the valve stem caps to the cylinder head.