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200 2001 Johnson compression

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  • 200 2001 Johnson compression

    looking at a 2001 hydra sport. It has a 200 HP Johnson with 440 hours on it.
    the starbord side compression is 90 psi and the port side is 80 psi. thats less than 10% difference. but seems low. what do you think ?
    Thanks

  • #2
    It is a rule of thumb, anything below 100PSI is bad.
    Regards
    Boats.net
    Johnson Outboard Parts

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