·Assemble the valve at cylinder head’s valve guide and
see if it is centered with the valve seat using a special
tool.
3) Valve seat
·Contacting face amount
As for the valve seat’s wear, measure the width of the
contact surface with intake valve seat and exhaust
valve seat. If beyond the limit value, replace the valve
seat.
·Assemble the valve at the valve seat of the cylinder
head, and check the amount of depression of the
valve from the lower portion of the cylinder head using
a dial gauge..
<Valve depression>
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