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Mechanical Inspection: Compression

Check engine mechanical condition using a compression gauge, vacuum gauge or engine analyzer. See engine analyzer manual for specific instructions. See COMPRESSION SPECIFICATIONS  table.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.5:1
Normal Compression Pressure 191 psi (13.0 kg/cm2 F
Minimum Compression Pressure 142 psi (10.0 kg/cm2 F
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )
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