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Engine Compression

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

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
SOHC 9.1:1
DOHC 9.7:1
Normal Compression Pressure
SOHC 159 psi (11.2 kg/cm2 )
DOHC 170 psi (12.0 kg/cm2 )
Minimum Compression Pressure (1)
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )
(1) Maximum variation between cylinders is 14 psi (1.0 kg/cm2 ).