Mechanical Inspection: Compression

Check engine mechanical condition with a compression gauge, vacuum gauge, or an engine analyzer. See engine analyzer manual for specific instructions. Release fuel system pressure before checking engine compression. See FUEL SYSTEM .

COMPRESSION SPECIFICATIONS

Application

Specification

Compression Ratio

10.75:1

Compression Pressure ⁽¹⁾

⁽²⁾

Maximum Variation Between Cylinders

10 psi (.70 kg/cm² )

⁽¹⁾	Minimum cranking speed is 300 RPM with all spark plugs removed and throttle held wide open.

⁽²⁾	Information is not available from manufacturer.