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Hose at bottom of airbox?

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    Hose at bottom of airbox?

    I have a nipple at the bottom of my airbox. I have since plugged it but looking on ebay for some other parts I ran across an airbox and there is indeed a hose attached. The airbox is after the airfilter so where does that hose go and what does it do?

    airbox.jpg

    #2
    It's a drain hose and it hangs down at the back of the engine.
    79 GS1000S
    79 GS1000S (another one)
    80 GSX750
    80 GS550
    80 CB650 cafe racer
    75 PC50 - the one with OHV and pedals...
    75 TS100 - being ridden (suicidally) by my father

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      #3
      But wouldnt that allow unfiltered air to be sucked into the carbs?

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        #4
        The factory hose has a make shift one way valve.unplug yours and just put a hose on it . It can not draw enough unfiltered air to make a difference. If you get water or your carbs flood it can drain with it plugged it is going into you motor
        1984 GS1100GK newest addition to the heard
        80 GS 1000gt- most favorite ride love this bike
        1978 GS1000E- Known as "RoadKill" , Finished :D
        83 gs750ed- first new purchase
        85 EX500- vintage track weapon
        1958Ducati 98 Tourismo
        “Remember When in doubt use full throttle, It may not improve the situation ,but it will end the suspense ,
        If it isn't going to make it faster or safer it isn't worth doing

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          #5
          Originally posted by Boriqua View Post
          But wouldnt that allow unfiltered air to be sucked into the carbs?
          No. The hose is on the "dirty" side of the airbox, before the air filter.
          1983 GS850G, Cosmos Blue.
          2005 KLR685, Aztec Pink - Turd II.3, the ReReReTurdening
          2015 Yamaha FJ-09, Magma Red Power Corrupts...
          Eat more venison.

          Please provide details. The GSR Hive Mind is nearly omniscient, but not yet clairvoyant.

          Celeriter equita, converteque saepe.

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          Co-host of "The Riding Obsession" sport-touring motorcycling podcast at tro.bike!

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            #6
            Originally posted by bwringer View Post
            No. The hose is on the "dirty" side of the airbox, before the air filter.
            Uh no, it is after the filter, under the air box, not the filter box. I got a new one for my bike, it came with just a simple plug, where as my old one had a piece of foam filter in it.
            sigpicMrBill Been a GSR member on and off since April 2002
            1980 GS 750E Bought new in Feb of 1980
            2015 CAN AM RTS


            Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.

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