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  1. #1

    Default 1995 force 120 hp chokes out at idle

    Tested compression,replaced plugs multiple times, taken the bowl off both carbs and checked them everything was clean as a whistle. Timing is good and checked for vacuum leaks. Will run fine on the top end but as soon as you back off to put in nuetral it sputters and dies.

  2. #2
    Join Date
    Mar 2019
    Location
    Ottawa Canada
    Posts
    516

    Default Re: 1995 force 120 hp chokes out at idle

    Is it flooding itself? Do you smell strong gas smell at Idle? Or does it sound like it's running out of gas ?

  3. #3
    Join Date
    May 2010
    Location
    Sebastian ,Fl
    Posts
    2,808

    Default Re: 1995 force 120 hp chokes out at idle

    What's the idle rpm's set at?
    Should be 750-800 in gear in the water.

    Does it do it if the covers off?
    PLEASE,NO PERSONAL MESSAGES IF THE QUESTION CAN BE ASKED ON THE OPEN FORUM
    88 Bayliner with 2002 225 HP Mercury
    Buy American made Cars and Trucks!!!Towing insurance,get it.
    In Scenic Beautiful Sebastian by the sea Florida

  4. #4

    Default Re: 1995 force 120 hp chokes out at idle

    Quote Originally Posted by mechanicman View Post
    Is it flooding itself? Do you smell strong gas smell at Idle? Or does it sound like it's running out of gas ?
    Seems running out of gas. My butterflies were not opening in sync so I straightened that out and replaced my fuel lines including the bulb and filter so I will have to test it and get back to you

  5. #5

    Default Re: 1995 force 120 hp chokes out at idle

    Quote Originally Posted by Jerryjerry05 View Post
    What's the idle rpm's set at?
    Should be 750-800 in gear in the water.

    Does it do it if the covers off?
    When the cover is off it seems to be a little better not great and when it wants to idle it idles around 750-800 in gear but it only wants to idle normal on the trailer and trimmed up in the water..

  6. #6
    Join Date
    Sep 2010
    Posts
    17,251

    Default Re: 1995 force 120 hp chokes out at idle

    Open low speed mixture screws 1/8th turn at a time and test run.

  7. #7
    Join Date
    May 2010
    Location
    Sebastian ,Fl
    Posts
    2,808

    Default Re: 1995 force 120 hp chokes out at idle

    Where are the air screws set at?
    Set air screws at 1 1/2 turn out.
    Then adjust from there.

    In the water.

    Between the carbs, there's a black equalizer tube, pinch this off.

    Then running, in gear, turn the top screw in 1/8th a turn.
    Wait 10 seconds and then repeat.
    Do this until the motor bucks, kicks, stalls?
    Then back out 1/2 turn.
    Repeat on the second carb.

    When that's done set the rpm's at 800 or as close as you can get.
    Don't go over 800

    How did you test for vacuum leaks?
    Starting fluid.
    Start motor, spray SF around the intake side of the motor.
    If any change in the way it runs? = sucking air.

    Take carbs off and clean the slow speed passages.

    U-tube video by FrankA
    Call link and sinc.
    http://youtu.be/tDoR64jP5l8

    2nd video is a timing video.
    http://youtu.be/o1HmYyOQFW8
    PLEASE,NO PERSONAL MESSAGES IF THE QUESTION CAN BE ASKED ON THE OPEN FORUM
    88 Bayliner with 2002 225 HP Mercury
    Buy American made Cars and Trucks!!!Towing insurance,get it.
    In Scenic Beautiful Sebastian by the sea Florida

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