Extra hose on top of carbs

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jd
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Extra hose on top of carbs

jd
Just bought a CB750K and found a hose going into the top of the carb bank but not attached to anything on the other end. Could anybody help me with what this goes to?
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Re: Extra hose on top of carbs

LukeM
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That could be a vacuum line that goes from around carb #2 to a fuel metering valve.  It's a fuel cutoff in case the engine stops.

If you could get a picture of it and post it, it may help.
Luke M
Used to have a 1979 CB750L, sold it as a parts bike, now riding a slightly modified 1984 VT700C. Network/Field Engineer. Central OH, USA, Earth, Sol System, Milky Way Galaxy, Universe.
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Re: Extra hose on top of carbs

Re-run
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In reply to this post by jd
What year of bike? I know my 78k has a hose which is just a vent and does not attach to anything.
The ride IS the adventure. The destination is just to get gas!