FixVault

Engine Compression

Check engine compression at specified cranking speed, with engine at normal operating temperature, all spark plugs removed and throttle wide open.

ENGINE COMPRESSION (1)

Model Standard psi (kg/cm2 ) Minimum psi (kg/cm2 ) Minimum RPM
H23A1 Engine 178 (12.5) 135 (9.5) 250
(1) Maximum variation between cylinders is 28 psi (2.0 kg/cm2 ).