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Xj750 Seca - injection done

Discussion in 'XJ Modifications' started by Marko6, Sep 7, 2024.

  1. Marko6

    Marko6 New Member

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    Hi Guys, my first topic here so hope I chosed right thread.

    My setup -
    Motor: Yamaha XJ750 Seca YICS
    Unit: home made, based on Speeduino 0.4.4d.
    Coil: 032 905 106 B ( Input1 -> Output A/D -> Piston 1&4; Input 2 -> Output B/C -> Piston 2&3)
    Injection: EAT288 (288151N), 3bar on fuel intake
    Map: Bosch 0 261 230 119
    Cam sensor: non
    AFR: Wideband LSU (0-5V)
    Crank position sensor: Encoder AMT103 + XIAO SAMD (making from 48 pulses A and one X signal - 24-1 signal for ECU)

    In following video there is the first attempt cranking.. I am happy with that, anyway there is some room for improve (fuel pressure oscillations and such..)

    The next stage will be supercharger, but right now I know almost nothing about superchargers so this will take some time :D

    Greeting from Czech Republic :)
     

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    Marko6, Sep 7, 2024
    #1
    minimuttly, chris123 and Fuller56 like this.
  2. Fuller56

    Fuller56 Well-Known Member

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    Quite a project! It looks good from here. A supercharger? You surely have plenty of ambition. Good luck.
     
    Fuller56, Sep 7, 2024
    #2
  3. minimuttly

    minimuttly Active Member

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    how have you managed with charging current? Needs a low current fuel pump, and maybe a higher capacity battery?
     
    minimuttly, Sep 8, 2024
    #3
  4. Marko6

    Marko6 New Member

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    Didnt manage yet. I will measure current this week, anyway there are LEDs instead of bulbs and such.. so hopefully that will be ok as it is.
     
    Marko6, Sep 16, 2024
    #4

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