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Thread: HELP

  1. #1
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    Default HELP

    Can anyone tell me if this gas tank will work with my Mercury outboard. I know is says Johnson on the tank but can it work on a Mercury and what changes would I have to make to it?? THANKS FOR ANY HELP.
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    Cray's Avatar
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    That looks like the old OMC dual hose connector on there and I don’t think your Merc hose would work with it. If you could find the single hose Merc fitting that would replace that one and a vented cap you could make it work. Back in those days I think most of those metal tanks were probably made by same company just different fittings for different motors.
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    May be easier to find a hose to match the tank
    :I would like to thank the builders of docks for giving me a place to fish and lose tackle

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    The cheapest way out would be to use an OMC gas line but change the end the hooks to the motor to a Merc. Or you can change the fitting on the tank then you could use a Merc hose.
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    Quote Originally Posted by Barnacle Bill View Post
    The cheapest way out would be to use an OMC gas line but change the end the hooks to the motor to a Merc. Or you can change the fitting on the tank then you could use a Merc hose.
    I'm with Bill on this one. A Merc Fuel Line Connector added to the end of a OMC line/tank connector plug should work just fine. But, first and foremost is to visually inspect the interior of that gas can, as metal ones can rust inside ... and you definitely don't want rust flakes clogging up your line or motor !!

  6. #6
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    Fishawk, take a close up picture of the fitting where connector goes on.
    Last edited by Cray; 12-08-2019 at 11:08 AM.
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    Didn't you have to open the cap a bit to run engine kind of like the vent on new tanks today?
    Mark 1:17 ...I will make you fishers of men
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    Quote Originally Posted by SeaRay View Post
    Didn't you have to open the cap a bit to run engine kind of like the vent on new tanks today?
    If the tank isn't vented the primer bulb will get sucked flat and the motor quit running.
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    Quote Originally Posted by Barnacle Bill View Post
    If the tank isn't vented the primer bulb will get sucked flat and the motor quit running.
    Correct and I seem to remember that would happen if you didn't open the cap a bit on these older tanks. Just mentioning it in case he does decide to use it.
    Mark 1:17 ...I will make you fishers of men
    Weldcraft Stick Steer, 50 Tohatsu, IPilot

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    My friend, all the things mentioned here are true. I have done this in the past and I had to crack the cap open to get venting.

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