subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Compression Check|Specifications|Page 1660 > < Ignition System - Spark Plug Replacement Intervals|Page 1656
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Compression Check: Specifications

Compression Pressure 
Compression pressure (350 rpm and Throttle fully open):

Standard ................................................................................................................................................  981 - 1,177 kPa (10 - 12 kg/cm2, 142 - 171 psi) 
Difference between cylinders .....................................................................................................................................  49 kPa (0.5 kgf/cm2, 7 psi) or less 

Compression Check|Specifications|Page 1660 > < Ignition System - Spark Plug Replacement Intervals|Page 1656