Service manual

Page 50 of 151

• After the valve seat is ground, coat valve seat surface

with emery and then carefully press the ground

surface.

• Clean up all emery coated onto cylinder and valve

after grinding

6-8 Cylinder Head Reassembly

• Lubricate the valve stem with engine oil

• Insert the valve into the valve guide.

• Install a new valve stem oil seal.

• Install the valve springs and retainers.

• NOTE: The valve spring closed coils should

face down toward the combustion chamber.

• Use a valve cotter removal & assembly tool to press

the valve spring; then, remove the valves.

• In order to avoid damaging the valve stem and the

cylinder head, place a rag in the combustion chamber

inside by the valve spring remover/installer while

compressing the valve spring.

• Tap the valve stems gently with a plastic hammer

to make sure valve retainer and valve cotter are

secure.

• Place the cylinder head on a working table

to prevent damage to the valve.