Spark Plug: Service and Repair

REMOVAL




1. Pull and turn the metal clad spark plug cable boots (2) to remove them from the spark plugs.




NOTE: Avoid allowing debris to fall into the spark holes during replacement.

2. Clean the cylinder head spark plug recesses (2) using low pressure compressed air.

CAUTION: Do not use power tools to replace spark plugs. Damage to the cylinder head can result.

3. Use a rubber insulated spark plug socket and a hand ratchet to remove the spark plugs (1).

INSTALLATION

1. Using a gap gauge (1), gap the spark plugs to 1.00 mm (0.039 in.) before installing them.




2. Tighten the spark plugs to 28 Nm (21 ft. lbs.).

NOTE: A snap should be felt when a good connection is made between the cable and the spark plug.

3. Install the spark plug cables.