Sixgunluvr
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« on: August 17, 2025, 05:21:28 PM » |
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Hello everyone, new member here with many questions. I recently bought a 2003 Valkyrie and am having very minor gas leak from middle carb on right side…is this #3. Also have some hoses that are cut. I know very little about DIY bike repair and hope to start a dialogue here. Will post some pics as soon as I figure out how. 
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« Last Edit: August 17, 2025, 09:39:44 PM by Sixgunluvr »
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sandy
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« Reply #1 on: August 17, 2025, 08:58:08 PM » |
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If you post where you live, maybe someone local can come take a look. BTW: you have a nice mechanic helper.
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Sixgunluvr
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« Reply #2 on: August 17, 2025, 09:41:44 PM » |
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« Last Edit: Yesterday at 11:31:28 AM by Sixgunluvr »
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TrapperAH1G
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« Reply #3 on: August 17, 2025, 10:27:34 PM » |
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Seems you have the numbering down right. Sitting on the bike, right front is 1, left front 2, right middle 3, left middle 4, right rear 5, left rear 6. Looks like the hose you're missing is the vacuum line....if you're trying to show the cap in the photo. Indicates your bike has been desmogged. Should only have a vacuum line on number 6, left rear carb. This will go to your petcock unless it's been changed to pingle or other non vacuum type petcock.
Interested in your items, send me a message. Thanks
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TrapperAH1G
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« Reply #4 on: August 17, 2025, 10:28:49 PM » |
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BTW, do tell us where you are.
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Sixgunluvr
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« Reply #6 on: Yesterday at 08:22:57 AM » |
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Ok… so I went out and did some more checking by just letting it idle and taking a good look. It appears I have a leak coming from the fuel rail directly behind carb number three. This is quite disappointing as I have just bought the bike a couple months ago and it seemed fine on the two hour ride home. I live in Chester West Virginia about 45 minutes west of Pittsburgh. I fear at this point. I’m going to need to do a complete removal and rebuild. I see there is a guy on eBay that does total rebuild if you send him the carb bank. I think I could probably get the carb bank out this winter but I think a rebuild is definitely out of my league. I work full-time so I don’t have a lot of time, off Fridays and Saturdays and some vacation next week. Perhaps a member here would have a few minutes to chat over the phone. I will continue to update with pics and questions. Thank you so much everyone.
Trapper has first dibs to discuss the pegs and trim rail as soon as I get time after work next day or so to respond.
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« Last Edit: Yesterday at 08:27:08 AM by Sixgunluvr »
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HayHauler
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« Reply #7 on: Yesterday at 09:40:01 AM » |
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Give Mooskee a PM here on the board. He rebuilds carbs all of the time. Just my opinion. Hay  Jimmyt
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Pluggy
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« Reply #8 on: Yesterday at 04:31:03 PM » |
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. The stubby black rubber thing in the top picture is a Honda vacuum cap. With the engine guard in the picture, it indicates we are at cylinder #2. This is the way Honda made it. Nothing modified.
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« Last Edit: Yesterday at 04:33:40 PM by Pluggy »
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Sixgunluvr
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« Reply #9 on: Yesterday at 08:15:34 PM » |
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“The stubby black rubber thing in the top picture is a Honda vacuum cap. With the engine guard in the picture, it indicates we are at cylinder #2. This is the way Honda made it. Nothing modified.”
Gotcha, so after looking again it is “capped” at numbers 1,2,5 with hose connected to 3,4,6.
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wjamesfl
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« Reply #10 on: Yesterday at 08:47:02 PM » |
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I am also a new owner. I decided to take on rebuilding the carbs my self. It's alot (atleast for me, first time working on carbs), but the service manuals helped tremendously. Organization is paramount.
It couldn't hurt to check if the 4 bolts for your carb rack are torqued correctly since those tighten up the carbs together meaning the fuel rails too. I decided to crack open my carbs though and go through them replacing o-rings and hoses for piece of mind.
I highly recommend checking out the YouTube channel Moto-Resto Machine and Repair. He has a Playlist of 16 videos working on Valkyries. Multiple videos of carb removal/disassembly/cleaning/reassembly to give you an idea of what you'd be in for. I learned alot about these bikes from that channel and watched all his videos before attempting carb rebuild.
If it looks like more than your willing to take on, there are definitely several options out there for shipping them out but you'll still want to use the resources mentioned above for removing them.
I dont know about the eBay option, but Valkyrie Flat Six and Valkyrie Carbs and Custom both seem to be the more established carb rebuilders from what research I did.
DM me id you have more questions on the carbs. Im no expert, far far more experienced people on here, but I've been going through this recently (past 3 weeks)
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« Last Edit: Yesterday at 08:54:52 PM by wjamesfl »
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Pluggy
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« Reply #11 on: Today at 12:46:27 AM » |
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Gotcha, so after looking again it is “capped” at numbers 1,2,5 with hose connected to 3,4,6.
Your motorcycle is correct. That's how Honda built it.
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Sixgunluvr
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« Reply #12 on: Today at 06:07:06 AM » |
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Thanks for the responses so far everyone. I’m not really sure if they’re even is a carb issue. I was told when I bought the bike that the carbs were gone through a few years ago, but I have no way of verifying that. Remember the issue that I do know that is obviously present is that there is a leak I’m assuming at the fuel rail at this point. Which of course means I might as well have the carbs gone through because they’re going to have to come off the bike and take apart to get to the fuel rail O-rings correct?
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HayHauler
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« Reply #13 on: Today at 09:59:26 AM » |
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Like wjamesfl said above, there is no harm in verifying the torque on the long bolts that hold the carb banks together. You never know, it just might stop your leak. If it doesn't, then you can look into it further. Hay  Jimmyt
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Sixgunluvr
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« Reply #14 on: Today at 12:40:23 PM » |
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Like wjamesfl said above, there is no harm in verifying the torque on the long bolts that hold the carb banks together. You never know, it just might stop your leak. If it doesn't, then you can look into it further. Hay  Jimmyt Ok Thats my next step. I took it for a ride this morning and the leak continues but it is very minor. Seems like if I get somewhere and wipe it clean it is dry when I get home….weird. Can I access the carb long bolts without removing anything?
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« Last Edit: Today at 12:46:33 PM by Sixgunluvr »
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Joe333x
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« Reply #15 on: Today at 12:53:26 PM » |
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Like wjamesfl said above, there is no harm in verifying the torque on the long bolts that hold the carb banks together. You never know, it just might stop your leak. If it doesn't, then you can look into it further. Hay  Jimmyt Ok Thats my next step. I took it for a ride this morning and the leak continues but it is very minor. Seems like if I get somewhere and wipe it clean it is dry when I get home….weird. It's gasoline dripping onto a hot engine so it will evaporate quickly but it will end up leaving a greenish stain like this in the photo below. Mine started leaking fuel a little when I first got it and then it got worse to the point I wouldn't feel safe riding it. I rebuilt the carbs and, installed an electric fuel shut off as well as a non vacuum petcock. 
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