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  1. 09-16-2009, 06:19 PM #1
    OneBadBass
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    Recommended RPM's

    Wanting to know top-end RPM range for 1993 Mercury XR4 150 and recommended water pressure runnning wide open.

    Thanks!
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  2. Largemouthlou
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    #2 09-17-2009, 01:44 AM

    Re: Recommended RPM's (OneBadBass)

    I would say 5600 to 5800 MAX and 15 psi minimum.. Would also put a temp guage to help watch this older motor..
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  3. OneBadBass
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    #3 09-17-2009, 05:06 PM

    Re: Recommended RPM's (Largemouthlou)

    Thanks Lou, hoping to have a 200 or 225 by late winter.
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