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Thread: Ficht Fuel Pump

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    retro's Avatar
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    Ficht Fuel Pump

    Will a fuel pump out of an msx 150 work with a msx 140? I see there are 2 differnt part numbers for them but they look identical in the diagram.


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    yep

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    retro's Avatar
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    Awesome! Thanks

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    read thread in wanted section i can help

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    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by retro View Post
    Will a fuel pump out of an MSX 150 work with a MSX 140?

    I see there are 2 different part numbers for them but they look identical in the diagram.
    Quote Originally Posted by 785 lugs View Post
    yep
    You sure about that?

    I thought the MSX 150 fuel pump put out a lot more PSI than the MSX 140 fuel pump.

    And the pressure regulation is done differently, isn't it?

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    Quote Originally Posted by K447 View Post
    You sure about that?

    I thought the MSX 150 fuel pump put out a lot more PSI than the MSX 140 fuel pump.

    And the pressure regulation is done differently, isn't it?
    You might be right but i can find out forsure in the Morning ,i wonder if Steve might have a pic of his 150 pump ???

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    Moderator beerdart's Avatar
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    The 150 pump is huge and the regulator is on the end of the fuel rail.


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    i think i remember now the pump is the same but they change the size of the restrictor to control the pressure and the regulator is in the return on the 140 and on the rail on the 150
    so all you would need to do is add the restictor to the 150 pump and it will work just FINE but always check your fuel pressure no matter what just to be safe

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    Click avatar for tech links/info, donation request K447's Avatar
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    The MSX 140 fuel pump maxes out at around 30 PSI (with the return line clamped off). The MSX 150 (and MSX 110) fuel pump I thought could deliver higher pressures, in the 40-50 PSI range.

    If the MSX 150 fuel pump can be modified for use with Ficht engines by installing the internal fuel pressure regulator from the MSX 140, or use the external Kawasaki Ficht fuel pressure regulator, then that is useful information. Always good to have more options for replacement parts.

    I don't think the converse is true. As far as I know the MSX 140 fuel pump can not be modified for use with the Weber engine, as the peak fuel pressure available from the MSX 140 fuel pump is too low.

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