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  1. #1
    Member
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    Mar 2007
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    belle river
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    8

    water pressure guage

    what should my pressure guage be at while driving?

  2. Member
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    Mar 2005
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    Noblesville
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    788
    #2

    Re: water pressure guage (spencer)

    <TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by spencer &raquo;</TD></TR><TR><TD CLASS="quote">what should my pressure guage be at while driving?</TD></TR></TABLE>

    I usually run about 35lbs in my tires, that gives me the best gas mileage...










  3. NC Bass Club/Yamaha Motors Moderator BuzzB8's Avatar
    Join Date
    Jun 2004
    Location
    Asheboro, NC
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    7,091
    #3

    Re: water pressure guage (spencer)

    It depends on what engine you have. I wouldn't run my Yamaha below 14 PSI when the engine is running "wide open". With that being said, most Yammies will be around 18-20 PSI when they're flying down the lake.

  4. Member fastman151's Avatar
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    Nov 2006
    Location
    Hopelawn N.J.
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    7,054
    #4

    Re: water pressure guage (spencer)

    Hey Spencer...welcome to the boards...keep the pressure 18 or above and you should have no problem!!!
    Just can't leave well enough alone!!

    98 Stratos 273 w/ 150 Faststrike

  5. Member
    Join Date
    Mar 2007
    Location
    belle river
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    8
    #5
    thanks for the replies, by the way its a 1997 175 johnson fast strike

  6. Member
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    Mar 2007
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    North Branch
    Posts
    21
    #6

    Re: (spencer)

    My 96 150 faststrike has 15 psi at WOT and gets lower after that. I get 3-5 psi at idle. I don't think this is good, but thats the way it is even with a new impeller on the pump.

  7. Member fastman151's Avatar
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    Nov 2006
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    Hopelawn N.J.
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    7,054
    #7

    Re: (river_rat)

    How far below pad is your prop shaft?
    Just can't leave well enough alone!!

    98 Stratos 273 w/ 150 Faststrike

  8. Member
    Join Date
    Mar 2006
    Location
    Oxford
    Posts
    150
    #8

    Re: (fastman151)

    my 150 John has 7-8 at idle and 25-27 at wot. I don't have a jackplate. I wouldn't want that Johnson to run less than 15 at wot.
    Netweid
    '96 Statos 278
    '96 Johnson 150 (Model # J150eledb)

  9. Member
    Join Date
    Mar 2007
    Location
    North Branch
    Posts
    21
    #9

    Re: (fastman151)

    3.5 inches below the pad. The water outlet is below water level when the boat is loaded down at idle speed so I plan on raising it up 1/4 each trip to see if it improves the output. I also have a 5.5 setback with my jackplate.

  10. Member
    Join Date
    Mar 2007
    Location
    North Branch
    Posts
    21
    #10

    Re: (river_rat)

    I was sitting in a dead spot.
    I moved the motor down 1/4" and the pressure went up to 25psi. Then I raised it up 1/2" (1/4" above the original) and the pressure was 24lbs. Another 1/4" up gave me 23 psi. Another 1/4" up gave me 22 psi and bad chine walk. I will drop down 1/8" next time out.

  11. SC Club Moderator ChampioNman's Avatar
    Join Date
    May 2004
    Location
    Crawfordville, FL/Lake Hartwell, SC
    Posts
    72,195
    #11

    Re: (river_rat)

    A set up 'Tos with a F/S Truder should be close to 25 psi with a good H20 gauge. If not order pump kit 5001594 from you BRP dealer,

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