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Thread: Compression

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    Compression

    According to MSB-12EX11-501(12AB091) Compression tested on a warm engine should be as follows:




    3A90, at cranking speed of 300 rpm Standard value 12.9Bar (187psi) Minimum 9Bar (130psi)


    3A92, at cranking speed of 250 rpm Standard value 15Bar (217psi) Minimum 10.3Bar (149psi)



    Maximum difference between cylinders 0.98Bar






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