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Thread: Dangling breather/drain hose question

  1. #1
    MRMAICO
    Guest

    Dangling breather/drain hose question

    I've just purchased an 86 R80rt and while riding yesterday I noticed a breather or drain hose hanging down close to the ground. It passes through the right side muffler/passenger footpeg mount and hangs down in front of the rear tire. Rather than just pulling the things apart trying to find where it goes I figured someone here should be able to point me as to where it is supposed to attach to.
    Thanks..........Barry

  2. #2
    WesPeterson
    Guest
    Likely the battery vent tube.

  3. #3
    MRMAICO
    Guest
    Thanks Wes........It has a maintainance free Interstate in it now, there is no vent on it but I assume the original batteries must have had an overflow drain?
    Thanks again..........Barry

  4. #4
    Registered User widebmw's Avatar
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    Mar 2003
    Location
    Reno, NV
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    1,124
    There is a tank vent that goes down the right side.
    On different models it goes different places but there should be a hole that it goes through around the passanger peg.
    I think on the R80 it is the overflow from the well around the filler.
    That is so if you spill gas it will not go trough and dump on the engine.

  5. #5
    MRMAICO
    Guest
    Thanks John, I'll check that tomorrow. This hose is pretty long to be a battery hose so your suggestion sounds more likely.
    Barry

  6. #6
    I'm a Village Idiot MAGWA's Avatar
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    Mar 2003
    Location
    Coarsegold, CA
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    210

    venting

    Just painted the battery box on the '82 RS yesterday.

    The tube on *my* bike on the right (ass-sue-me you mean the throttle side) is an overflow hooked up to the rear brake fluid res.

    Magwa
    Coarsegold, CA

  7. #7
    MRMAICO
    Guest
    Thanks Magwa, the RT has drum brakes though. It looks like it was the fuel filler neck drain hose although it was a little short for some reason. I just got a new piece of hose and put that on.
    Time to go for a ride............Barry

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