Cylinder Heads

Cylinder Head





Disassembly





1. Remove the electronic ignition (El) coil neck.





2. Remove the exhaust manifold.
^ Discard the gasket.
^ Discard the bolts.

3. NOTE: Place the cylinder head onto a clean support on the workbench.

NOTE: Place wooden wedges in the combustion chamber recesses in the cylinder head to prevent the valves from opening during removal.





Using the special tools, compress the valve springs.
^ Compress the valve springs and remove the valve collets using some grease and a small screwdriver.
^ Remove the valve spring retainers and the valve springs.

4. NOTE: Place all components in order to one side.

Remove the valve springs.





5. Using the special tools, remove the valve stem oil seals.
^ Discard the oil seals.
6. Remove the valves and place them in order to one side.

Assembly

1. NOTE: Follow the procedure recommended by the grinding paste manufacturer.

NOTE: Install each valve in the position from which it was removed.

Regrind the valves.
2. Thoroughly clean off any traces of sealer and grinding paste from all components.
3. Coat the valve sterns with clean engine oil and insert them in the valve guides.





4. Install the valve stem oil seal installation sleeve.

5. NOTE: Install new valve stem oil seals.





Using the special tool, install the valve stem oil seals.

6. NOTE: Check the seating of the valve collets after installation.





Using the special tools, install the valve springs.
^ Insert the valve springs and the valve spring retainers.
^ Compress the valve springs and install the valve collets using some grease and a small screwdriver.

7. NOTE: Install a new exhaust manifold gasket and new bolts.





Install the exhaust manifold.





8. Install the electronic ignition (El) coil pack.