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  1. #1
    Member
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    Feb 2008
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    Athens, Tennessee
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    29

    Installing water pressure gauge on 1998 Johnson FastStrike 150

    Want to make sure I am installing this water pressure gauge correctly. On the FastStrike 150 I see both cylinder heads have a brass fitting plug, one on the right and the left. I understand that is where I attach the fitting for the instrument hose. Can I attach my fitting on either cylinder head? The (passenger) Port side gives me more hose length to mount the instrument on the dash, which I need. Someone told me Starboard is best, maybe the water pressures vary...

    Thanks for your help!
    '92 Sprint 276 Pro Tournament

  2. Member
    Join Date
    Feb 2008
    Location
    Athens, Tennessee
    Posts
    29
    #2
    Well, I installed the fitting on the right side cylinder head. Because when I pulled the plug on the left head the water only dribble out. Should that concern me??
    Why would the port side shoot water so strong and the starboard side only dribble???

    I would like to know if this is normal, or is only one side of my engine getting water?
    Thanks any help!
    FastStrike 150

  3. Member
    Join Date
    Jan 2005
    Location
    Red Oak Va.
    Posts
    10,597
    #3
    Go to the OMC board and ask about the water pressure gauge hook up.

  4. Member fastman151's Avatar
    Join Date
    Nov 2006
    Location
    Hopelawn N.J.
    Posts
    7,048
    #4
    I have a 98 150 Faststrike and the wp line is hooked up to the left side.
    Just can't leave well enough alone!!

    98 Stratos 273 w/ 150 Faststrike

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