R1150RT Fuel System Higway Failure

Discussion in 'Road Warriors' started by roger 04 rt, Jul 7, 2012.

  1. roger 04 rt

    roger 04 rt Long timer

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  2. Yeahbaby

    Yeahbaby Adventurer

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    Just order the correct line from Max BMW. You get a 1 meter length of hose for a lot less than NAPA or others will charge. NAPA tried to charge me $27.00 a foot for in-tank line. The MAX type is the correct in-tank type. Also change out the "U" shaped hose, don't choke on the price. Remember to get the large and small hose. When you replace the O ring order 2. If you open things up and quickly try to button up again. You will notice that the O ring might be too large and a bugger to put back together. The fuel makes the O ring swell. I have a spare that I replace each time I open things up. Same goes for the fuel cap O ring.
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  3. roger 04 rt

    roger 04 rt Long timer

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  4. roger 04 rt

    roger 04 rt Long timer

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  5. roger 04 rt

    roger 04 rt Long timer

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  6. izzy's

    izzy's Been here awhile

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    I just returned from an Alaska trip from Arkansas last Thursday. On the way up North I had a similar fuel line failure in the middle of Nowhere, Montana. On the side of the road I had the opportunity to totally unload the bike, remove the fuel tank and inside found one of the fuel lines attached to the filter had a hole in it. Because of lack of parts I had to use some redneck engineering and two zip ties to close the hole and make it to a farm store about 15 miles further down the road. At the farm store they had some standard off the roll fuel line I used to make a better repair and get back on my trip. I finished the trip without any further problems.
    In this thread is the first time I've heard of "in tank" fuel line. Do I need to order "in tank" line and replace the standard fuel line that I used for the roadside repair.
    Not that it matters but my bike is an '04 1150 GS.
    Izzy
    #6
  7. AntonLargiader

    AntonLargiader Long timer

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    Yes, you do. R10 hose will degrade in sunlight and R9 hose will degrade when submersed. Each has its place.

    However, even the R10 hose can decay when left in old fuel for a long time. Sometimes it just needs to be replaced even though it was being used correctly.

    EDIT: the BMW hose isn't marked R9 or R10. It's NBR-NBR for internal, and CR-NBR (or a variant of that) for external.
    #7
  8. roger 04 rt

    roger 04 rt Long timer

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  9. roger 04 rt

    roger 04 rt Long timer

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  10. Steve W.

    Steve W. Boxer Pilot

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  11. roger 04 rt

    roger 04 rt Long timer

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    Steve,
    Thanks for the recommendation, already ordered from Max BMW.
    RB
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  12. roger 04 rt

    roger 04 rt Long timer

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  13. mouthfulloflake

    mouthfulloflake Not afraid

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    Great info Roger.

    and you might be on to something about the leaky internal fuel hose.

    mine pings and knocks terribly lately, even with 94 octane in it.

    I guess I should open it up and have a gander.
    #13
  14. cardoctor1

    cardoctor1 Been here awhile

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    great post had the same thing happen to me a few weeks ago fuel line between and fuel filter and outlet split. replaced the lines inside the tank with 180psi efi hose but didnt know about the hose itself being submersible . even after replacing the fuel hoses i still get a random lean condition where it falls on it face unless i keep the revs at 2500rpm's it clear up in a mile and may not do it again for a few hundred miles.
    #14
  15. sonnyb

    sonnyb Been here awhile

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    roger,
    which pump did you get?
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  16. roger 04 rt

    roger 04 rt Long timer

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    This one: OEM Replica kit.
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  17. sonnyb

    sonnyb Been here awhile

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    thanks,I will need one soon too.
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  18. roger 04 rt

    roger 04 rt Long timer

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    Thanks. Makes sense.
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  19. mouthfulloflake

    mouthfulloflake Not afraid

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    GREAT information Roger.

    is there an alternative to the internal U shaped hose that is nearly $40 from the dealer?

    ive got the spare pump, and fuel sock, but not the fancy clamps and internal hose bits yet, I have seen the submersible fuel line locally, but think it would kink if I tried to replace the U shaped OEM hose.
    #19
  20. GroceryRun

    GroceryRun Been here awhile

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    Been using Euro Moto Electrics' flexible fuel hose for a couple of months and it's held up so far.
    I'm not sure I really needed to replace it since the OEM looked perfect, but I was already in there.
    #20