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 VM carb assembly questionDoing final assembly after carb rebuild on my '79 GS1000E. Is there a vacuum tube between carbs #2 & #3? Pics I took don't show it clearly. I know there are the short tubes between 1 & 2, and between 3 & 4, but there are the same ports (maybe undrilled?) between 2 & 3. I put a hose there, but it seems to be in the way of the throttle return spring. No problem to cut it out if I don't need it. Thanks!Tags: None
 
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 Those are not "vacuum" tubes, they are "vent" tubes.
 
 There should be a tube between 1&2, then there is a longer tube that connects to the nipple on #2. There should be another tube between 3&4, the longer tube connects to the nipple on #4. There should be nothing between 2&3.
 
 The nipple on #3 is the vacuum fitting that should connect to your petcock.
 
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 mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
 hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
 #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
 #2 son: 1980 GS1000G
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	 FLHGSRay FLHGSRay
 This tube...........
 
 The black tube behind the idle screw. Should it be there? Uses the same ports as the short, (like 1/2" long) tubes that are between 1 & 2, and 3 & 4. Not the 3 longer, smaller tubes that go to the petcock and atmosphere.
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	 Gonzo Gonzo
 That tube isn't needed between 2&3. You noticed that they are undrilled and your eyes aren't playing tricks on you.
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	 FLHGSRay FLHGSRay
 That's better!
 
 I always save my old parts until the job is complete, and there was no old tube for here. Just wanted to verify. Thanks! Time for the bench sync.
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