Spark Plug Recommendations
Replace spark plugs at the intervals recommended in the periodic
maintenance table beginning on page 72. Always replace spark
plugs in pairs.
Spark Plug Specifications
Spark Plug Type
Spark Plug Gap
Spark Plug Torque
Spark Plug Inspection
CAUTION! Wear face protection when using pressurized air.
1. Make sure the engine is at room temperature.
2. Disconnect the spark plug wires by pulling upward on the spark plug boots.
3. To prevent any debris from entering the engine through the spark plug hole, use pressurized air to clean the area
around each spark plug before removing it.
4. Remove the spark plug from the cylinder head with a 5/8-inch spark plug socket.
.031-.035 inch (0.8-0.9 mm)
10.8-14.5 ft-lbs (14.6-19.7 Nm)