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Engine Compression

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
Pathfinder & Pickup 8.3:1
Pulsar NX SE 10.0:1
Pulsar NX XE & Sentr 9.4:1
Stanza 8.5:1
240SX (1) 9.1:1
Compression Pressure
Pathfinder, Pickup 173 psi (12.2 kg/cm2 )
Pulsar NX SE 199 psi (14.0 kg/cm2 )
Pulsar NX XE 181 psi (12.7 kg/cm2 )
Sentra 181 psi (12.7 kg/cm2 )
Stanza 171 psi (12.0 kg/cm2 )
240SX (2) 192 psi (13.5 kg/cm2 )
Minimum Compression Pressure (2)
Pathfinder & Pickup 131 psi (9.2 kg/cm2 )
Pulsar NX SE 171 psi (12.0 kg/cm2 )
Pulsar NX XE 142 psi (10.0 kg/cm2 )
Sentra 142 psi (10.0 kg/cm2 )
Stanza 128 psi (9.0 kg/cm2 )
240SX 142 psi (10.0 kg/cm2 )
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )
(1) After engine code KA24-012039 specifications changed to: compression ratio 8.6:1, pressure 175 psi (12.3 kg/cm2 ) and minimum compression 146 (10.3 kg/cm2 ).
(2) Minimum compression at 300-350 RPM.