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  1. #1

    How to set efi settings ?

    i am running the riva stage 1 kit on an 2006 gpr. i have been playing with the settings on the efi controller currently 6983 with a gps i seem to get best acceleration and top speed 65.7 in 95 deg heat. it seems to match no other settings out there, and if i ad stage 2 where do i go for fuel then?
    thanks for any info


  2. #2
    Happily Self-Employed WFO's Avatar
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    Welcome coololhaggy

    6-9-8-3 ?

  3. #3

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    I think on my '06 with stage 2 I was running around 6,6,2, 7 , are you sure the last two settings are 8 , 3 and
    not 3,8 ??

  4. #4
    Moderator RX951's Avatar
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    Welcome to the forum coololhaggy
    Last edited by MikeTrin; 12-30-2011 at 07:44 AM. Reason: removed link to old /yama subfolder

  5. #5
    i am positive on the settings thats why i posted, it sounds like alot of fuel. i tried moving the crossover pot to a higher rpm (currently 4500 rpms) and i slow down. as i moved the red pot each number netted a .2 to .3 mph gain in top speed.

  6. #6
    Moderator RX951's Avatar
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    How to set Setting EFI E.F.I. Controller

    We have some EFI GURU's on the board.
    (WFO) Richard
    (Mtrager) Mark
    (Abbott) John

    They are who we goto for EFI information.

    Read this thread below on how to set your Properly Set your EFI.
    http://www.greenhulk.net/forums/goog....y=0&sa=Search

    f.y.i.) WFO has an 80 mph EFI boat....

    Below is a portion of the thread above I pasted.

    per WFO

    #1-The Green fuel pot sets the engines fuel delivery idle to midrange cruising at constant throttle. Run this setting till the engine is warm and if it feels or smells "rich" back it down. I am at a 6 on the Green.

    #2-The Yellow fuel pot adds fuel on top of the Green when throttle is opened rapidly. Like an accelerator pump. With engine warm perform rolling WOTs and open till you get the most rpm gain or "flare" without stumble. One position at a time open the pot till you reach desired setting.
    I am at a 5 on the Yellow.

    #3-The Red fuel pot functions as your main metering circuit. Run the craft WOT and note the rpms. Opening the Red pot adds fuel. You dont have to go far with this one. Most boats run at the #1 setting. I am at 1 on the Red pot.

    #4-The RPM selector pot sets the RPMs at which the red(high) speed metering circuit takes over the green and yellow. You want this to go RED at approx 5500 rpms. For testing puposes, slowly accel engine until you see the Red pot light up and make small adjustments to achieve desired rpm setting. Note: 1 is supposed to equal 1000 rpms, 2-2000 rpms and so on. This is only a guide and may not be accurate. My high speed comes in about 5600 rpms and I am set at 7.


    __________________________________________________ ___________

    per Mtrager

    1. Mount controller on glove box.
    2.warm motor up
    3. ride ski looking at low speed light. Turn fuel up untill you hear it blubber. Turn back one.
    4. Cruise with midrange light on. Turn up until it is rich. Back it up.
    5.On high speed start high and turn down untill you hit max rpm.

    When doing the low and midrange keep your rpm constant while you are adjusting. When you get rich you will hear it blubber through the freeflow.

    After you do that it should pull hard from anywhere. your gps speeds will not go down after the motor gets hot. It will run within 2 tenths each time
    no matter how many you run.
    Last edited by MikeTrin; 12-30-2011 at 07:49 AM. Reason: old yamaha url's not working

  7. #7
    Moderator RX951's Avatar
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    Also, provide as much as information as possible so they can help diagnose your application more thoroughly.....modifications, location in the US, ect.....

    Also, make sure you have a good digital tach such as the Pet-2100 for proper tuning. With an EFI or any boat, it is imperative you have a good tach.

  8. #8
    Happily Self-Employed WFO's Avatar
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    Quote Originally Posted by coololhaggy
    i am positive on the settings thats why i posted, it sounds like alot of fuel. i tried moving the crossover pot to a higher rpm (currently 4500 rpms) and i slow down. as i moved the red pot each number netted a .2 to .3 mph gain in top speed.
    What is your location ? Temps, altitude ?

  9. #9
    Quote Originally Posted by WFO
    What is your location ? Temps, altitude ?
    i will take the ski out this weekend to get altitude
    i am located in fort myers, fl
    i do all testing in a cove with slight ripple on the water and minimal current
    running both directions and divide by 2 for top speed
    temp is 95 deg. right now water is about 80 85
    i also slow the ski alittle with 225lbs of baggage... (me)

  10. #10
    Moderator RX951's Avatar
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    Quote Originally Posted by coololhaggy
    i also slow the ski alittle with 225lbs of baggage... (me)
    its great to see people that have a sense of humor to even joke about theirself !

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