Engine Compression

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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 ).