FixVault

Engine Compression

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

CAUTION: Release fuel system pressure before checking engine compression.
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.