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1986 vro looper 225 hp replace vro with new fuel pump

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  • 1986 vro looper 225 hp replace vro with new fuel pump

    Seems there is alot of info on this topic but I cannot find specifics in regards to swapping out my VRO 4 wire pump to a conventional fuel pump. I picked up this unit;
    Click image for larger version

Name:	factory pump install 1 1399-07359.png
Views:	1
Size:	1.58 MB
ID:	10311177
    Johnson/Evinrude VRO Oil Injection Conversion Fuel Pump, 5007420, 5007422 EMP
    I am unable to determine if I still need the Vacuum switch assembly
    [IMG]http://www.*****************/parts/images/hg/omc/0586544.jpg[/IMG]
    Which would be part 24
    [IMG]http://www.*****************/parts/evinrude-johnson-parts-diagrams/JOHNSON/45615.gif[/IMG]
    In additiion do I need to make adjustments to the "pulse" line? Any other mods I should know about before I hook up this pump?
    Any help appreciated and pics if you have them. I have been a member forthe last 4 years but mostly in the rehab forum.
    Thanks KC
    Last edited by kcassells; November 25th, 2016, 09:42 AM.

  • #2
    #24

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    • #3
      The vacuum switch can and should stay installed as it is now.

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      • #4
        Thanks racer.

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        • #5
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          Me dinks I have it figured out. I'll post pics. Kinda cold here so had to come in to defrost my fingers.

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