Forester F4-2.5L SOHC (2004)
Compression Check: Specifications
Compression Inspection
Note: Do measurement after warming-up engine, ignition switch off.
Standard ...................................................................................................................................................................... 1,275 kPa (13.0 kgf/cm2), 185 psi)
Limit ............................................................................................................................................................................ 1,020 kPa (10.4 kgf/cm2, 148 psi)
Difference between cylinders ..................................................................................................................................... 49 kPa (0.5 kgf/cm2, 7 psi), or less
Note: Crank engine rpm to 350 rpm at wide open throttle. Take at least two measurements per cylinder, and make sure that the values are correct.