Honda Accord Sedan 1997 Reference Owner's Manual page 190

The spark plugs in your car need to
be replaced every 2 years or 30,000
miles (48,000 km), whichever comes
first.
Replacement
SPARK PLUG CAP
1. Clean up any dirt and oil around
the spark plug caps.
2. Remove the spark plug cap by
pulling it straight out.
3. Remove the spark plug with a five
eighths inch (16 mm) spark plug
socket.
Spark Plugs (4 Cylinder Models)
4. Put the new spark plug into the
socket; then screw it into the hole.
Screw it in by hand so you do not
crossthread it.
CONTINUED
Maintenance