Notice: This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.
Important: Make sure that any water and/or debris is blown out of the spark plug holes prior to removing the spark plugs.
Notice: Refer to Fastener Notice in the Preface section.
Notice: Do not coat spark plug threads with anti-seize compound. If anti-seize compound is used and spark plugs are over-torqued, damage to the cylinder head threads may result.
Specification
The spark plug gap is 0.90 mm (0.035 in).
Install the spark plugs.
Tighten
Tighten the plugs to 20 N·m (15 lb ft).