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Old 08-14-2013, 09:18 AM
jrobertfox's Avatar
jrobertfox jrobertfox is offline
Join Date: Sep 2012
Location: Baltimore, MD
Posts: 71
Exclamation How to plumb the xs11s carbs? 4 Nipples?

I completely forgot how this went together... Although I do remember when I bought the bike there was a tube that connected one petcock to the other.

See this diagram:

I remember the hoses connected to the bottom nipples, but don't remember anything with the top.

Are the lines in red the desired configuration? One pair to each side of the tank? This is with a pod set up/ and seemingly no vacuum fuel distribution thing that the manual indicates. And then what of the original cross over tube?

Any help would be much appreciated.
'79 XS1100 Special "2-Up Cafe"

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Old 08-14-2013, 09:22 AM
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bikerphil bikerphil is offline
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Join Date: Jan 2008
Location: Broward County, S. Flori-DUH
Posts: 7,552
Top T's are bowl vents, open to atmosphere or connected to your airbox, lower T's are fuel inlets. Run your left fuel tap line across and down to the right fuel inlet and right tap to the left inlet.

79F - owned since '89 - FJ fork mod, solo seat mod, Dyna 3Ω's, 14MM M/C (168K miles)
79SF - every day rider, solo seat mod, Brembo 16MM M/C, Accel 3Ω's, Supertrapp (125K miles)

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Last edited by bikerphil; 08-14-2013 at 09:24 AM.
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Old 08-15-2013, 12:36 PM
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jayel jayel is offline
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Join Date: Apr 2012
Location: Birmingham, Iowa
Posts: 152
I like to run a H pattern a couple of tees where the crossbar meets the legs of the uprights, either tap will feed both sides
where are we going, and why are we in this hand basket?
Iowa the Beautiful Land 1980 XS1100SG
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carbs, fuel, fuel lines, plumbing

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