Forester F4-2.5L DOHC Turbo (2007)
Spark Plug: Adjustments
ADJUSTMENT
Correct it if the spark plug gap is measured with a gap gauge, and it is necessary.
Spark plug gap: L 1.0 - 1.1 mm (0.039 - 0.043 in)
NOTE: Replace with a new spark plug if this area (A) is worn to "ball" shape.
