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2009
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Forester F4-2.5L SOHC
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Mechanical Specifications
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Ignition System
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Spark Plug
Spark Plug
Spark plug
Spark plug
gap mm (in)
1.0 - 1.1 (0.039 - 0.043)
Thread size (diameter, pitch, length) mm
14, 1.25, 19
Tightening torque
1.
RH SIDE
Spark plug
21 N.m (2.1 kgf.m, 15.5 ft.lb)
2.
LH SIDE
Spark plug
21 N.m (2.1 kgf.m, 15.5 ft.lb)