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Engine Compression

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

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.5:1
Normal Compression Pressure (1) 191 psi (13.4 kg/cm2 )
Minimum Compression Pressure (1) 142 psi (10.0 kg/cm2 )
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )
(1) Checked at 250 RPM.