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1989 YAMAHA RADIAN

Discussion in 'Other Motorcycles' started by Shane A Williams, Jun 24, 2019.

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  1. Shane A Williams

    Shane A Williams New Member

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    Hey does anyone know of a forum thats focused on the YX600 ? I just purchased one and need some help.

    Specifically I Need help identifying this connection. where does it connect to?

    SOrry about the sideways picture it won't let me add it to the body.. New Here

    *EDIT* added text, tried to add image.

    [​IMG]
     

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    Last edited: Jun 24, 2019
    Shane A Williams, Jun 24, 2019
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  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    XJ550H, Jun 24, 2019
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  3. Shane A Williams

    Shane A Williams New Member

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    no the nipple it seems there used to be a vacuum line there

    where the indentation is on the tank
     
    Shane A Williams, Jun 24, 2019
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  4. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    That (IIRC) is where the vent line for the carbon canister (emissions) hooks up.
     
    k-moe, Jun 24, 2019
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  5. Shane A Williams

    Shane A Williams New Member

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    why would it leak gas ?
     
    Shane A Williams, Jun 24, 2019
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  6. XJ550H

    XJ550H Well-Known Member Premium Member

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    the emissions system returns fuel/fumes to the tank.
     
    XJ550H, Jun 25, 2019
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  7. Shane A Williams

    Shane A Williams New Member

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    anyway around that ? or to fix it ?
     
    Shane A Williams, Jun 26, 2019
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  8. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    When is it leaking, and where?
    Is fuel just coming out of the fitting, or is there a crack somewhere arount it?
    Is it leaking as the tank sits on the bike?


    This thread (sorry, from another site) may be helpful
    215721-1989-yamaha-radia-600-fuel-vacuum-line-diag.html
     
    k-moe, Jun 26, 2019
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  9. Shane A Williams

    Shane A Williams New Member

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    ok so at first i was riding home and i ran out of fuel super quickly.. i'm talking full tank on highway gone after an hour of riding. so we got a tiny bit of gas and put it in the bike thinking it was enough to get it to the gas station as soon as we put it in it all poured out of this vent line. I can't lie to y'all.. we got some saran wrap and wrapped it around there tight a couple times and it hasn't leaked since
     
    Shane A Williams, Jun 27, 2019
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  10. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    OK. Gas should never come out of that port (unless you overfill the tank, if I'm understanding the diagram correctly). The tank probably has rusted inside, and eliminated the part of the port that allows it to be a vent/overflow and not a drain.
    You could probably get away with using the correct size vacuum port cap and a hose clamp to block it off, but that would be temporary and might result in fuel flow issues (I'm not sure that the Radian gas cap has a vent).

    I think the best thing to do is shop for a fuel tank, but before you do that try asking on the forum that I linked to earlier. I'm not well versed about the Radian, particularly not the fuel tank and emissions system.
     
    k-moe, Jun 27, 2019
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  11. Shane A Williams

    Shane A Williams New Member

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    yeah i'm sold on a new gas tank. had i of swapped it out for the one on my KZ i probably would never of faced the issue i'm facing now.
     
    Shane A Williams, Jun 28, 2019
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  12. wiz

    wiz New Member

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    That fitting goes to the recess in fuel fill area under fuel cap a hole in bottom to let fuel out when you overfill tank or miss ,the two Radians I have has a hose on it routed down behind engine in front of rear swing arm
     
    wiz, Jun 9, 2025
    #12

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