FixVault

Engine Compression

Test compression with all spark plugs removed and engine at normal operating temperature. Crank engine through at least 5 compression strokes before recording reading.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.2:1
Compression Pressure 170 psi (11.7 kg/cm2 )
Max. Variation Between Cylinders 30 psi (2.1 kg/cm2 )