46
HEAD/CYLINDER
9.
Remove the
valves, springs, spring seats
and valve stem
seals
.
Note
the order of installation; each
spring will have a spring seat
washer underneath, and each valve
will have the paint mark in the top
position.
10.
Before inspection,
decarbonize
the valves with a wire
wheel.
11.
Inspect the valve faces for wear or pitting.
Replace the valves if wear or damage is
present. The valve faces are hard-coated
and cannot be reground.
12.
Before inspecting the head,
decarbonize
the
combustion chamber and valve seats with an
abrasive pad and low flash point solvent.
Clean the head of any loose carbon, dirt or
abrasives with contact cleaner and blow dry
with compressed air.
Inspect the valve seats for wear, pitting or
damage. Valve seats may be recut by a
specialist, or the head replaced if the seats are
worn or damaged.
Valve face inspection
