Remove the cam pulse generator (front cylinder head only, page 5-69).
Remove the valve spring cotters using the valve spring compressor.
Tool: Valve spring compressor 07757-0010000.
![](https://motoinstruction.ru/img/honda/9/115843.jpg)
Compressing the valve springs more than necessary will cause loss of valve spring tension.
Remove the valve spring compressor, then remove the retainer, spring and valve.
![](https://motoinstruction.ru/img/honda/9/115844.jpg)
Mark all parts during disassembly so they can be placed back in their original locations during installation.
Remove the stem seals and spring seats.
Do not reuse a removed stem seal.
![](https://motoinstruction.ru/img/honda/9/115845.jpg)
Do not reuse a removed stem seal.
Remove the carbon deposits from the combustion chamber to avoid damaging the gasket and valve seat surfaces and clean the head gasket surfaces.
![](https://motoinstruction.ru/img/honda/9/115846.jpg)
Gasket material will come off easier if soaked in high flash point cleaning solvent.