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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 in ENGINE COMPRESSION  table.

ENGINE COMPRESSION (1)

Model Standard psi (kg/cm2 ) Minimum psi (kg/cm2 ) Minimum RPM
Accord 178 (12.5) 135 (9.5) 250
Civic & CRX 185 (13.0) 135 (9.5) 250
Prelude
Carbureted 171 (12.0) 135 (9.5) 250
Fuel Injected 178 (12.5) 135 (9.5) 250
(1) Maximum variation between cylinders is 28 psi (2.0 kg/cm2 ).