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Engine Compression

WARNING: This page is about a different car, the 1989 Honda Prelude. However, it is still accessible from the selected car via links, so may be relevant.

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 (1)

Model Standard psi (kg/cm2 ) Minimum psi (kg/cm2 ) Minimum RPM
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 kg/cm2 ).