Spark Plug Inspection

  1. Replace the plug at the specified interval, or if the center electrode is rounded (A), or if the spark plug gap (B) is out of specification. Use only the listed spark plugs.
    NOTE: Do not adjust the gap of iridium tip plugs.
    Spark Plugs
    NGK:
    IFR7G11KS
    DENSO:
    SK22PR-M11S

    Electrode Gap
    Standard (New):
    1.0−1.1 mm (0.039−0.043 in.)

  1. Apply a small amount of anti-seize compound to the plug threads, and screw the plugs into the cylinder head, finger-tight. Then torque them to 25 N·m (2.5 kgf·m, 18 lbf·ft).