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Engine Compression

Run engine until it reaches normal operating temperature. Remove all spark plugs and coil high tension wire. Hold throttle valve wide open and operate engine at cranking speed, when checking compression.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.0:1
Normal Compression Pressure 178 psi (12.5 kg/cm2 )
Minimum Compression Pressure 128 psi (9.0 kg/cm2 )
Maximum Variation 14 psi (1.0 kg/cm2 )