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  1. 06-14-2009, 08:21 AM #1
    shakeyhead
    shakeyhead is offline
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    94 johnson 225 venom

    im fixing to try and set my boats jackplate and i need sum info. whats the red line on this engine ? what should the water pressure be or stay above?

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  2. ChampioNman
    ChampioNman is offline
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    #2 06-14-2009, 08:42 AM

    Re: 94 johnson 225 venom (shakeyhead)

    Keep her around 5800 RPM and keep the pressure above 18 PSI it will be a happy camper. Make sure to modify the HS jet on #2 carb and change to the new style drain plugs on all the carbs.
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