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  • #1

    Run out the fuel?

    I have a 97 50hp 2 cylinder Johnson. The oil side of the VRO had issues earlier this year and was disabled. I am still using the VRO fuel pump, but the oil side was plugged and now I am running premix 50-1 in a 6 gallon tank. Back in the "old days" we used to always run the fuel out of the engine at the end of the day. but that motor didn't have the VRO pump and it was so old we even ran the pre-mix at 25-1, (it was a long time ago). I think you're not supposed to do that with a fully functional VRO system, but what if the oiler side is disabled (like mine)? will it hurt the VRO pump, or the engine itself to run it dry? It ran great last time out, just want to do what I can to keep it that way.
    I do run "Stable" fuel stabilizer in every tank of gas.
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  • #2
    (Running Engine Out Of Gas)
    (J. Reeves)

    If the engine has but one carburetor, it's unlikely that running the engine out of gas would do any harm. When the carburetor runs out of the fuel/oil mixture, the engine stops running.

    However, a engine that has more than one carburetor should simply be shut off. The reasoning is that the top carburetor will run out of fuel first due to gravity and the engine will continue to run on because of the still existing fuel in the other lower carburetors.

    This results in having at least one aluminum piston running up and down a steel cylinder wall with improper or no lubrication. Not a good idea!

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    • #3
      Thanks for the heads up, what you saying makes sense.

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