Spark Plug: Service and Repair

SPARK PLUG





Removal and Installation

REMOVAL
1. Remove the ignition coil.








2. Remove the spark plug with a suitable spark plug wrench.

INSPECTION AFTER REMOVAL
^ Use standard type spark plug for normal conditions.
The hot type spark plug is suitable when fouling occurs with the standard type spark plug under conditions such as:
^ Frequent engine starts.
^ Low ambient temperatures.

The cold type spark plug is suitable when spark plug 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 the spark plugs. Replace as necessary.

If plug is covered with carbon, a 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.
Gap (nominal) : 1.1 mm (0.043 inch)

INSTALLATION
^ Installation is in the reverse order of removal.