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  1. 03-29-2012, 06:59 AM #1
    Lakebuzzer
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    1989 Mercury 150 Black Max

    What would be a safe WOT for this motor.

    Thank you
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  2. EuropeanAM
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    #2 03-29-2012, 05:19 PM

    Re: 1989 Mercury 150 Black Max (Lakebuzzer)

    "Should" be printed on the serial number decal.

    Most were 5600 RPM's in this vintage (though it has varied to as much as 5800 on some models).




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