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Discussion Starter · #1 ·
Hey, excited to be part of this community. I got my 700 a few years ago and had it in the basement of this apartment I was renting, but never got my license and it just sat there. It was running for previous owner when I bought it, but now needs some love after just sitting there. He had messed with the fuel lines and it has been so long, I can't remember what he told me.

From what I've read on here, my bike looks to be from California and the emissions was disconnected. I don't see that the right side has been plugged, but I can do that.

Question 1: I do not understand why my petcock is different than the 750. The 750 petcock has a vacuum line and I think two fuel lines. Mine just seems to have one nipple for one line.

Question 2: I am going to take the carb out and clean it. I need to know if maybe the wrong petcock was put on and then how to get the fuel lines reconnected to the carb after I take it out for cleaning.

Question 3: Is there any consenus on what is the best manual for this? I found and downloaded the OEM manual (pdf) that someone posted here but it appears to be a scanned photocopy and the images aren't clear. Thoughts on Haynes vs Clymer?

Thanks again, appreciate it.

Tire Wheel Fuel tank Vehicle Automotive fuel system
Motor vehicle Hood Automotive tire Vehicle Automotive lighting
Automotive fuel system Motor vehicle Automotive tire Hood Automotive exterior

Automotive tire Automotive lighting Motor vehicle Hood Tire
 

· Super Moderator
2003 VN750
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11,405 Posts
Welcome to the machine!

Looks like the petcock has been changed. You can try using a tee fitting and see if it gets enough fuel. Keep the lines running downward to the carbs.

I think your original petcock would have on/off and pri or "prime" settings.

The .pdf manual is the only one I use. Check the one in my signature to see if you have the same one, there used to be two versions around, one did not have an index. The pictures aren't that great in mine either but usable.

The fuel inlets on the carbs are 90 degree elbows and the vents point straight up.
 

· Registered
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2,124 Posts
Hey, excited to be part of this community. I got my 700 a few years ago and had it in the basement of this apartment I was renting, but never got my license and it just sat there. It was running for previous owner when I bought it, but now needs some love after just sitting there. He had messed with the fuel lines and it has been so long, I can't remember what he told me.

From what I've read on here, my bike looks to be from California and the emissions was disconnected. I don't see that the right side has been plugged, but I can do that.

Question 1: I do not understand why my petcock is different than the 750. The 750 petcock has a vacuum line and I think two fuel lines. Mine just seems to have one nipple for one line.

Question 2: I am going to take the carb out and clean it. I need to know if maybe the wrong petcock was put on and then how to get the fuel lines reconnected to the carb after I take it out for cleaning.

Question 3: Is there any consenus on what is the best manual for this? I found and downloaded the OEM manual (pdf) that someone posted here but it appears to be a scanned photocopy and the images aren't clear. Thoughts on Haynes vs Clymer?

Thanks again, appreciate it.

View attachment 55915 View attachment 55916 View attachment 55914
View attachment 55913
Sweet bike!

As for more detail, I'll use an online parts wearhouse catalog. Open the graphic in a new tab, then zoom in for more detail where needed. I use a cheap Walmart 10.5" tablet in my garage for that purpose.
Example:
Font Parallel Automotive lighting Automotive design Drawing


.
 

· Super Moderator
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410 Posts
I'll provide my insight into your third question. I personally use the Clymer Service Manual and I love it. I find it to be very detailed and step-by-step. It shows pictures and everything.

 

· FREEBIRDS MC CENTRAL NY
Joined
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16,620 Posts
Welcome to the machine!

Looks like the petcock has been changed. You can try using a tee fitting and see if it gets enough fuel. Keep the lines running downward to the carbs.

I think your original petcock would have on/off and pri or "prime" settings.

The .pdf manual is the only one I use. Check the one in my signature to see if you have the same one, there used to be two versions around, one did not have an index. The pictures aren't that great in mine either but usable.

The fuel inlets on the carbs are 90 degree elbows and the vents point straight up.
Yup. On, off, pri for the petcock. And Welcome to the nucking futhouse
 

· 💀Administrator💀
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1,325 Posts
I'll provide my insight into your third question. I personally use the Clymer Service Manual and I love it. I find it to be very detailed and step-by-step. It shows pictures and everything.

You wouldn't know where I could find a pdf of that would you?
I'll provide my insight into your third question. I personally use the Clymer Service Manual and I love it. I find it to be very detailed and step-by-step. It shows pictures and everything.

This manual is also available FREE TO BORROW from Archive.org

This is quite easily one of the internet's best resources, with free movies and television shows that you'd never find anywhere else, books to borrow, all kinds of stuff. It's basically the public library of the internet.

I'll add a new thread for everyone.
 
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