Spark Plug: Service and Repair

Changing Spark Plugs





1. Disconnect ignition wires from spark plugs at boot.

CAUTION: Do not pull on the wire.





2. Remove spark plugs with spark plug wrench.





Spark plug:

Use standard type spark plug under normal conditions.
The cold type spark plug is suitable when spark knock occurs with the standard type spark plug under conditions such as:
^ extended highway driving
^ frequent high engine revolution
^ Do not use a wire brush for cleaning.





^ If plug tip is covered with carbon, spark plug cleaner may be used.
Cleaner air pressure: Less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time: Less than 20 seconds





^ Checking and adjusting plug gap is not required between change intervals.
Spark plug (Double platinum-tipped type)
Gap (Nominal): 1.1 mm (0.043 inch)
3. Install spark plugs. Reconnect ignition wires according to numbers indicated on them.
Spark plug: 20 - 29 Nm (2.0 - 3.0 kg-m, 14 - 22 ft. lbs.)