Carb problems


Information and questions on GL1000 Goldwings (1975-1979)
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ron0339
Posts: 21
Joined: Tue Feb 09, 2010 10:52 pm
Location: Indianapolis,in
Motorcycle: 1978 GL1000

Carb problems

Postby ron0339 » Wed Aug 03, 2011 6:39 pm



I just rebuild my 1100 carbs on my 78 GL1000. I did everything by the book got them synced and all. I can start it it runs great while sitting there even if you rev it up. But if you put it in gear and try to ride it it acts like it isn't getting enough gas or maybe to much. Any ideas?



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Fred Camper
Posts: 1154
Joined: Sun Aug 16, 2009 9:15 pm
Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Carb problems

Postby Fred Camper » Wed Aug 03, 2011 6:43 pm

Weak fuel pump or restricted fuel filter. Those carbs I think have small filters on the port that fills the float bowl, if they have debris in them then that may be it. How about the ignition advance, everything there look good?

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ron0339
Posts: 21
Joined: Tue Feb 09, 2010 10:52 pm
Location: Indianapolis,in
Motorcycle: 1978 GL1000

Re: Carb problems

Postby ron0339 » Wed Aug 03, 2011 6:59 pm

the bike had a air cut off that was bad that was why i rebuild the carbs. but if you let it warm up choked for 5 mins it ran ok. It has a dynatec igniton conversion and i'm not sure how to check the advance. I will check the fuel filter and pump to see if they are working right.

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ron0339
Posts: 21
Joined: Tue Feb 09, 2010 10:52 pm
Location: Indianapolis,in
Motorcycle: 1978 GL1000

Re: Carb problems

Postby ron0339 » Sat Aug 06, 2011 7:53 pm

I have replaced the fuel filter and fuel pump. and it still will not run right over 2500 rpm. I have noticed today that sometimes it won't start then right when i let go of the stater switch it fires. Have looked all over and can't find a bad wire anywhere.

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Fred Camper
Posts: 1154
Joined: Sun Aug 16, 2009 9:15 pm
Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Carb problems

Postby Fred Camper » Sat Aug 06, 2011 8:46 pm

Sounds like an electrical issue to me.

goldtr6c
Posts: 147
Joined: Tue May 11, 2010 11:17 am
Location: Hitchcock, Tx
Motorcycle: 1985 GL1200 LTD
1982 GL1100 STD
1976 GL1000 "800lb Canary"

Re: Carb problems

Postby goldtr6c » Sun Aug 07, 2011 12:59 pm

The Gl1000 has always been a cold natured beast. Did you pull the little screens under the float needle seats? These are missed by a lot of first time "wing fixers". They catch the super fine rust and dirt that made it thought the main fuel filter. If your main filter is old or defective, they can get clogged real quick and leave you a long walk home. I now run an automotive filter between the stock filter and the pump. It is shaped like a float bowl with a clear bottom so I can see the trash at the bottom. After only about 3K miles, I was suprised to see what made it past the stock Honda filter.
Did you by chance follow the tech tips on Randakks site? He has a great step by step how to do it on the 1000 carbs He also has corrections on where the jets really go as this info is wrong in a lot of the books.

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ron0339
Posts: 21
Joined: Tue Feb 09, 2010 10:52 pm
Location: Indianapolis,in
Motorcycle: 1978 GL1000

Re: Carb problems

Postby ron0339 » Sun Aug 07, 2011 8:05 pm

I replaced the little filters and this bike has been upgraded to the 1100 carbs. but after talking to the last guy i think i might have an electrical issue that i need to resolve first. I tapped on the power box where all the plugs are and the bike died.




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