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Engine Compression

Check compression pressure with engine at normal operating temperature, all spark plugs removed, throttle valves wide open and at specified cranking speed. Crank engine at least 6 revolutions to determine engine compression. Compression reading should be as specified. See ENGINE COMPRESSION  table.

ENGINE COMPRESSION

Model Standard (1) psi (kg/cm2 ) Minimum (1) psi (kg/cm2 ) Minimum RPM
Civic 185 (13.0) 135 (9.5) 250
CRX 185 (13.0) 135 (9.5) 250
(1) Maximum variation between cylinders is 28 psi (2 kg/cm2 ).