Compression Check: Specifications

Cylinder Compression (At 250 rpm or more)
Standard pressure 1,275 kPa (13.0 kg/sq.cm, 185 psi) or more
Minimum pressure 1,079 kPa (11.0 kg/sq.cm, 156 psi)
Cylinder Differential 98 kPa (1.0 kg/sq.cm, 14 psi) or less