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longrangelarry
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« on: March 19, 2018, 09:39:18 AM » |
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Have been working on carb rebuild all winter and now I am reinstalling the whole mess. For every minute I spend working on it I spend an hour on-line trying to figure out what hose goes where. The references tend to show one end of the issue but not the other. I have one nipple that I don't remember and right now it has no hose. The metal tube runs between #3 and #5 carb, and has a T coming up. It is not far from the fuel line for the right side, and is to the rear of it. I don't think I could get any sort of meaningful picture. Where does this hose go? I have accounted for all the hoses to the air box (connecting them is another issue). Could it go to the gas tank? It's the only thing not mounted at this point. Thanks.  |
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32coupe
Member
Posts: 6
Retired Air Force Colonel
Weatherford,Tx
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« Reply #1 on: March 19, 2018, 09:45:38 AM » |
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There are two tubes connected to the fuel tank--one larger for the fuel and a smaller diameter for fuel vapor recovery. That tube is really difficult to install and I suggest you put it on before securing the tank. My guess is that your mystery tube is the one going into the rear of the tank.
Witness
Texas
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Witness
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longrangelarry
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« Reply #2 on: March 19, 2018, 11:42:21 AM » |
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That's all I could think of as well. The fuel tube on the left goes to the corresponding place I am asking about on the right. But on the right it does not go there! My pictures came out far better than I expected, so I will post.
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Red Diamond
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« Reply #3 on: March 19, 2018, 01:00:49 PM » |
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There are two tubes connected to the fuel tank--one larger for the fuel and a smaller diameter for fuel vapor recovery. That tube is really difficult to install and I suggest you put it on before securing the tank. My guess is that your mystery tube is the one going into the rear of the tank.
Witness
Texas
Larry, I don't think the smaller tube that is difficult to connect on the back of the tank is vapor recovery, it is a vent line that goes to the ground and is open on the end. I will check the manual, maybe it will show the line the OP is referencing, unless of course it is a California bike, which that line would go to a vapor recovery canister. If this is a California bike it is a hole new ball game and a lot more lines from the top inside of the carbs. Next question: Has it been supposedly been desmogged ? The #2, #1 and #5 vacuums from the manifolds are capped, #4 and #3 are tied together by a "T" and goes to the Pair Valve, and the #6 operates the petcock. |
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« Last Edit: March 19, 2018, 01:29:50 PM by Red Diamond »
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 If you are riding and it is a must that you keep your eyes on the road, you are riding too fast. |
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longrangelarry
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« Reply #4 on: March 19, 2018, 08:08:22 PM » |
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Yes the vacuum lines from 3 & 4 go to the PAIR valve and 6 to the petcock, but from what I have read this is normal- not Ca. I just checked and it's clear the line I am missing can't go to the tank. There is only one fitting on the tank big enough and it has to be for carrying gas to the petcock. Maybe the one I am missing delivers gas FROM the petcock to the carbs? It is a T fitting and rotates freely up and down. I haven't gotten to the petcock and tank yet so I am not as familiar. I did get some good pictures but I am reluctant to join a photo sharing site such as Photobucket, but I will if I have to! It's just another thing to save passwords for. I also do not seem to have any extra tubes that could go there, nor any for gas from tank to petcock. Easy to replace IF I just lost them. There are two 1/2" metal tubes than run from carb to carb on each bank. These have to be for gas, right? The hose I am missing connects to the top tube on the right bank, between 3 & 5. I have a copy of the manual and of course exploded diagrams from supply companies as well as the excellent D Rays video series and any pictures I can find on the internet. I have devoted well over 100 hours researching this, I am sure. Thanks for any help.
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John Schmidt
Member
Posts: 15210
a/k/a Stuffy. '99 I/S Valk Roadsmith Trike
De Pere, WI (Green Bay)
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« Reply #5 on: March 19, 2018, 08:34:03 PM » |
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For posting photos, forget Photobucket, use Postimage.org. Set up a free account, load your pictures from the computer, then three clicks and you've pasted them here.
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Leathel
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« Reply #6 on: March 19, 2018, 08:35:20 PM » |
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 The ones that go parallel to the fuel line are just vents on mine and vent to open air |
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Red Diamond
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« Reply #7 on: March 19, 2018, 08:38:47 PM » |
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If I am not mistaken, there are two of those 1/2” tubes, turn the carbs upright. In the center of the rear metal bracket, there are two holes that the two tubes push into. They are open to the atmosphere, each connect to a “T” on that tube that run between the carbs that you mentioned. Good luck. Seems you can’t type in “gas valve” without the pc auto correcting it to “petpencil” whatever a petpencil is.c
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« Last Edit: March 19, 2018, 08:45:57 PM by Red Diamond »
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If you are riding and it is a must that you keep your eyes on the road, you are riding too fast. |
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longrangelarry
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« Reply #8 on: March 19, 2018, 08:53:49 PM » |
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 I don't know if this will work but I am surely ditching photobucket ASAP. What a nightmare! Yes I see the two parallel rows of tubes. One row on each side has hoses going to the cross bar and just appear to be vents. I did find one of those had migrated out of it's hole on the bar but otherwise those are fine. Now, the other row- on left side it has a gas line to the T but the right side is empty. That's the one I can't figure out. I assume there could be a loose hose end in there I just can't spot, even though I took the breather box out for the 4th time. It looks like a snake pit in there and since I got progressive lens 10 years ago I can't spot anything. Thanks for the help. |
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longrangelarry
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« Reply #9 on: March 19, 2018, 08:58:12 PM » |
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BTW my fuel lines after the T don't seem to hook up the same as yours. Your left and right side match but mine do not go to the same corresponding places on each side. That said, I do not remember ever taking them off! I will go check now. It already seemed odd to me but since I don't remember ever taking them off I figured I couldn't have made a mistake reconnecting them. But if indeed I did, then I will have a new nipple with no hose.
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RonW
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« Reply #10 on: March 19, 2018, 09:12:34 PM » |
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There are two 1/2" metal tubes than run from carb to carb on each bank. These have to be for gas, right? The hose I am missing connects to the top tube on the right bank, between 3 & 5.
Is it in these photos? Tube B is a vent line and it's non-visible end is open to the atmosphere.   |
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« Last Edit: March 19, 2018, 09:55:23 PM by RonW »
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2000 Valkyrie Tourer
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sdv003
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« Reply #11 on: March 19, 2018, 11:09:30 PM » |
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I can tell you that if you plug those hoses, the bike wont run.
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97BLKVALK
Member
Posts: 637
VRCC#26021
Detroit Lakes, MN
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« Reply #12 on: March 20, 2018, 04:48:28 PM » |
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the pc auto correcting it to “petpencil” whatever a petpencil is.c
We should just call it a petrooster than a petc Ock
Ha
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All that is necessary for the triumph of evil is that good men do nothing.
1997 GL1500C - Black
1997 GL1500C - Purple
1997 GL1500C - Bumble Bee
1998 GL1500C - Blue and Cream
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longrangelarry
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« Reply #13 on: April 23, 2018, 12:00:24 PM » |
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I sure don't see the rest of the replies on here now but I did solve the problem. The hose had slipped off the T fitting and was snugged up against a line such that it looked like it was plugged into it. It was a perfect fit and fooled me completely It was so simple but looks were deceiving. I have moved on in the reassembly and now have another issue I will post separately. Thanks to anyone who helped me.
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