I think I need to replace fuel & vacuum lines on 1992.


Information and questions on GL1500 Goldwings (1988-2000)
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Davek80514
Posts: 110
Joined: Mon Apr 16, 2012 1:18 pm
Location: Dacono, Colorado
Motorcycle: 1992 Goldwing 1500 SE

I think I need to replace fuel & vacuum lines on 1992.

Postby Davek80514 » Sun Mar 09, 2014 1:46 pm



I have a miss at idle and a backfire at highway speed after bike warms up. I'm thinking I need to replace vacuum lines and fuel lines. Can someone tell me how much and what size of each line I will need?


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Melloreel
Posts: 50
Joined: Tue Nov 19, 2013 4:17 pm
Location: Coastal Ga.
Motorcycle: 1992 GL1500 aspencade
2009 Streetglide

Re: I think I need to replace fuel & vacuum lines on 1992.

Postby Melloreel » Sun Mar 09, 2014 8:47 pm

Can't tell you how much Dave, but can tell you after taking mine down 3 times for different problems it's a job. I have the idle up and down problem so I need to replace all the lines myself. But the ones under the carbs are going to be a pain.
Good luck and keep us posted on what you find. I'm next :D

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Davek80514
Posts: 110
Joined: Mon Apr 16, 2012 1:18 pm
Location: Dacono, Colorado
Motorcycle: 1992 Goldwing 1500 SE

Re: I think I need to replace fuel & vacuum lines on 1992.

Postby Davek80514 » Mon Mar 10, 2014 6:32 pm

Update.
The wing has a miss and runs rough at idle. Runs decent until the bike warms up to normal temp then has a back fire every so often.
Now I'm really confused. I could use some suggestions. :?
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Melloreel
Posts: 50
Joined: Tue Nov 19, 2013 4:17 pm
Location: Coastal Ga.
Motorcycle: 1992 GL1500 aspencade
2009 Streetglide

Re: I think I need to replace fuel & vacuum lines on 1992.

Postby Melloreel » Thu Mar 13, 2014 8:27 am

I don't think there is any way around changing ALL fuel and vacuum lines also tear down carbs while your in to it that deep! I have read numerous post on several sites, and they all say basically the same. Figure the bike has a lot of age, and it's a common problem with the older wings?
I don't want to go into it again, but gonna start tearing her down. Better to have it done and not fret over it later :shock:

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Davek80514
Posts: 110
Joined: Mon Apr 16, 2012 1:18 pm
Location: Dacono, Colorado
Motorcycle: 1992 Goldwing 1500 SE

Re: I think I need to replace fuel & vacuum lines on 1992.

Postby Davek80514 » Thu Mar 13, 2014 10:03 pm

Update: If I put the choke on just a bit the problem goes away. Am I correct in assuming that I have a vacuum leak?
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sprintexec
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Joined: Sat Mar 08, 2014 7:20 am
Location: Cyprus
Motorcycle: 1994 GL1500SE Aspencade

Re: I think I need to replace fuel & vacuum lines on 1992.

Postby sprintexec » Fri Mar 14, 2014 6:26 am

Hi Dave,
I stumbled across your post because I too have an issue with the way my '94 GL1500 runs, actually it doesn't run particularly well! Similar to you I find that some choke allows me to rev the bike beyond 2,000 rpm whereupon she pulls as smooth as silk!?!

I have had the carbs out because they had been overfilling with fuel that then ran out of the overflow pipe. You can see my earlier posts under Solid stream of fuel here viewtopic.php?f=6&t=16578

Suffice to say I chose to clean out the carburettors but did not take out the diaphragm(s) and I re-used the old lines which looked in good order. Before I tear everything down for a second time I am casting around this forum for ideas. I'd be interested to hear how you get on with whatever you choose to do! 8-) Andy

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Davek80514
Posts: 110
Joined: Mon Apr 16, 2012 1:18 pm
Location: Dacono, Colorado
Motorcycle: 1992 Goldwing 1500 SE

Re: I think I need to replace fuel & vacuum lines on 1992.

Postby Davek80514 » Fri Mar 14, 2014 8:54 am

Thanks to all for the replies.

Andy, I'll let you know what happens. I'm going to have to have a mechanic fix it because I don't have the knowledge to do it. I'm figuring about $500.00 for the fix but I'll let you know. At least I can still ride it for a bit till I can get it in the shop. I plan on taking it and the trailer on a trip to Oregon this summer to see my Mother. I'm sure I'll be getting lots of looks on the way, but it will be a fun trip.


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