View Poll Results: what engines do you think should this boat be upgraded to?

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  • MR1 160HO

    2 18.18%
  • 1.8 SHO

    9 81.82%
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  1. #51
    raiderteen's Avatar
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    Quote Originally Posted by Robb235 View Post
    I know this thread is old, but can you explain the dual port fuel pressure regulator? I'm wanting to swap in the 160HP FXHO motors (I have a lead on some donor skis, but they're a loooong way away from me) into my XR1800 because I hate the 2-strokes.

    What Walbro pump did you use? What pressure regulator did you use?

    I am going to venture to guess the pump is a Walbro 255gph pump. Its a very common performance pump in the auto world. Regulator looks like your standard adjustable fuel pressure regulator you would see in the auto world as well. Might check out summit racing or jegs for that. Aeromotive makes great regulators, I've used them in the past and I believe most have 2 output ports.


  2. #52
    1_Fast_SHO's Avatar
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    Quote Originally Posted by raiderteen View Post
    I am going to venture to guess the pump is a Walbro 255gph pump. Its a very common performance pump in the auto world. Regulator looks like your standard adjustable fuel pressure regulator you would see in the auto world as well. Might check out summit racing or jegs for that. Aeromotive makes great regulators, I've used them in the past and I believe most have 2 output ports.
    Correct you can use walbro 255 or 340gph
    Regulator same thing, aeromotive, or any other brand will work, fuel lab has some nice ones, if you need any let me know.

  3. #53

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    How do both engines/ECUs control the single fuel pump?

  4. #54
    raiderteen's Avatar
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    Quote Originally Posted by Robb235 View Post
    How do both engines/ECUs control the single fuel pump?

    Probably the same way most people wire up the single fuel pump in group Ks air separator kit. With a rectifier wired up to a key on 12v source from each side.

    Like this https://www.ebay.com/c/1183935306

    Install how to: http://yamahajetboaters.com/forum/vi...ilit=rectifier

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