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2009
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Forester F4-2.5L DOHC Turbo
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Ignition System
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Spark Plug
Spark Plug
Spark plug
Spark plug
gap mm (in)
0.7 0.8 (0.028 0.031)
Thread size (diameter, pitch, length) mm
14, 1.25, 26.5
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)