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  1. #1

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    E85 Set Up For SVHO

    Has anyone, have or use an E85 Set up on the ski?

    I know the formula for determining the size injectors you would need...take the size of the injectors and multiply it by 1.47 for E85.
    Next is to advance the timing. To what it has to be I don't know.
    Next would be to set the injector timing. Again, I don't know this either


  2. #2
    wheresmike's Avatar
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    Pretty sure you can get an E85 tune with Maptuner

  3. #3
    abracadabra's Avatar
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    Yes, Both of My Turbo FX’s are running on E-85...

    _2,200cc injectors.
    _450 Liters per Hour Fuel Pump.
    _After market Fuel Rail.
    _AN8 Fuel Lines.

    Motec on one one of them and ViPEC on the other. They both run Sweeeeeeeet��

    I check the spark plugs periodically and you can see the aluminum on the Pistons nice and clean when you look down the cylinders.

    It also runs much, much cooler than when I was running Pump Gas..

  4. #4

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    all what they're saying is right but its not just a standard 1.47 calculation. still need a wideband sensor and a legit tuner who will help you out with timing. id bet not a single person will give you timing numbers for free. those come with broken engine parts and lots of r&d since we cant dyno skis.

    IMO not worth it and too much added cost, effort to get gas etc. unless you have something super trick or are trying to set some records, and if that's the case you'd have the people who know all this stuff lined up

  5. #5
    yamahasrule's Avatar
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    Quote Originally Posted by MWHC View Post
    all what they're saying is right but its not just a standard 1.47 calculation. still need a wideband sensor and a legit tuner who will help you out with timing. id bet not a single person will give you timing numbers for free. those come with broken engine parts and lots of r&d since we cant dyno skis.

    IMO not worth it and too much added cost, effort to get gas etc. unless you have something super trick or are trying to set some records, and if that's the case you'd have the people who know all this stuff lined up
    Don't forget less fuel range per tank. There is a lot less energy per unit of E85 to unit gas, hence the need for higher fuel rate and bigger injectors. Agree, not worth it for most recreational riders.

  6. #6
    abracadabra's Avatar
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    33% less efficient +/-

    12:1 ratio on 93 octane equals about 8:1 on E85...

  7. #7
    Hurricane1000's Avatar
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    Quote Originally Posted by abracadabra View Post
    33% less efficient +/-

    12:1 ratio on 93 octane equals about 8:1 on E85...
    Dean's Team has E85 tunes...

  8. #8
    I wish I could find a E85 tune without needing to go to Motec or other EMS. E85 has so many benefits in a Super Charged application and capable of producing so much more power safely.

    E85 can run more timing.

    Cooler cylinder temps

    Doesnt detonate

    Cheaper than 93 Octane

  9. #9
    Site Admin Green Hulk's Avatar
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    there are E85 tunes available through the MaptunerX

    RIVA Maptuner X Tuning Bundle Pack 1.8L Yamaha Waverunners

    The MaptunerX Bundle delivers instant plug-in horsepower! Quickly and easily load performance tunes into your Yamaha PWC eliminating the need to ship...
    RY110SC
    $1,067.12 $939.95
    12% discount


    ... more info

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