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Thread: Which Fuel Hose goes there?

  1. #1
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    May 2013
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    Which Fuel Hose goes there?

    GS1150 would not start last Spring. Couldn't find the cause so it sat all year while I rode another. I had pulled the tank and replaced the fuel pump, bought new injectors and it still wouldn't start. This Spring I'm determined to get it going. However...sometime over the Winter the tape I had on the fuel lines indicating what goes where disappeared.

    I know the ones from the tank and the middle regulator line is still attached to the injector but which regulator line does the tank output line go to? The top one or the bottom one?

    Thanks,

    Andre`

  2. #2
    Registered User roger 04 rt's Avatar
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    Oct 2011
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    Looking at this front the right hand side of the bike, the tank output line goes to the bottom line coming from the regulator and the tank return line goes to the top.

    Usually they are keyed by the quick disconnects.

  3. #3
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    May 2013
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    THank you!

    With that info and the new Bosch pump I should be running again.

    Pressure gauge showed about 2 PSI out on the current pump. Tore it out and found it had come loose from the hose feeding the fuel rail. It was a tear out from a car in the back yard and while it looked the part the hose fitting was far too short to be held by a clamp. Not gonna bother with it again. Ordered the new Bosch from Amazon. It will be here Thursday.

    Thanks again,

    Andre`

  4. #4
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    Mar 2007
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    15 M. E. Tampa
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    lines

    The simple rule is: the fuel lines do not cross. If you try to connect them wrong, you will find that the line that comes out of the rearward spigot on the fuel pump plate has to cross the one coming out of the front spigot.

  5. #5
    Day Dreaming ... happy wanderer's Avatar
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    Mar 2010
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    Vancouver, B.C. Canada
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    You've already got this figured out but I used to find this drawing handy. Maybe someone else will also.
    Attached Images Attached Images
    MJM - BeeCeeBeemers Motorcycle Club Vancouver B.C.
    '81 R80G/S, '82 R100RS, '00 R1100RT

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