Cylinders not getting fuel


Information and questions on GL1000 Goldwings (1975-1979)
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hdboy02
Posts: 14
Joined: Thu Feb 18, 2010 3:53 pm
Location: Lodi, Ohio
Motorcycle: 1975 GL1000 Goldwing

Cylinders not getting fuel

Postby hdboy02 » Fri Oct 21, 2011 11:55 am



On my '75, it seems like the cylinders are not getting fuel. I have eliminated the fuel pump by hooking up a tank and mounting it about 5' above the bike for gravity feed. I pulled the brass plugs on the carbs and the bowls are filling up. I can spray a little fuel in the air box and the engine will fire for a second. It has good spark. It seems like something isn't creating enough vacuum to pull the fuel into the cylinders. Anyone have any thoughts?



RexAubrey
Posts: 110
Joined: Fri Apr 22, 2011 11:05 am
Location: Aldan, PA
Motorcycle: 1983 GL1100I GoldWing Interstate (Black)
1982 GL1100A GoldWing Aspencade (Maroon)
1981 Yamaha XJ550H Maxim (Black)
1979 Yamaha XS650SF Special (Black)

Re: Cylinders not getting fuel

Postby RexAubrey » Fri Oct 21, 2011 12:01 pm

sounds like some of your ports in the carb are plugged. My only suggestion is to get a rebuild kit for the carbs from Randakk's and rebuild the carbs. http://www.randakks.com/
Rex
1983 GoldWing Interstate, 1982 GoldWing Aspencade, 1981 Yamaha 550 Maxim, 1979 Yamaha 650 Special

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scotterichmond
Posts: 613
Joined: Fri May 06, 2011 3:49 pm
Location: Marblemount,wa
Motorcycle: 1975 GL1000
[img]http://images.goldwingdocs.com/scotterichmond_32376/Modestly_restored_1975_GL1000_750/engine_repainted_even_new_embl_3919.jpg[/img]

Re: Cylinders not getting fuel

Postby scotterichmond » Fri Oct 21, 2011 1:27 pm


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Fred Camper
Posts: 1155
Joined: Sun Aug 16, 2009 9:15 pm
Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Cylinders not getting fuel

Postby Fred Camper » Fri Oct 21, 2011 10:38 pm

Agree that something must be plugged in all carbs, like maybe they sat too long with fuel in them. These carbs do really well as long as you run them once a week or better, but leave them alone for two months or more is another story.

Cannot do wrong watching Randakk's video and rebuilding using Randakk's kit. You'd think we all worked for Randell until you saw his financial books and realized that was impossible.

hdboy02
Posts: 14
Joined: Thu Feb 18, 2010 3:53 pm
Location: Lodi, Ohio
Motorcycle: 1975 GL1000 Goldwing

Re: Cylinders not getting fuel

Postby hdboy02 » Sat Oct 22, 2011 6:44 am

I was hoping that there was one common problem for all the carbs. I had the carbs sent away for rebuild by a very reputable rebuilder and they were working just fine. I had trouble with the main fuse last fall and the bike did sit all winter without being started so I guess the carbs could be plugged. Boy, keeping these older bikes running can be challenging!

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scotterichmond
Posts: 613
Joined: Fri May 06, 2011 3:49 pm
Location: Marblemount,wa
Motorcycle: 1975 GL1000
[img]http://images.goldwingdocs.com/scotterichmond_32376/Modestly_restored_1975_GL1000_750/engine_repainted_even_new_embl_3919.jpg[/img]

Re: Cylinders not getting fuel

Postby scotterichmond » Sun Oct 23, 2011 9:50 am

I have had good success with the use of "Seafoam'. It won't hurt to try it !

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Fred Camper
Posts: 1155
Joined: Sun Aug 16, 2009 9:15 pm
Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Cylinders not getting fuel

Postby Fred Camper » Sun Oct 23, 2011 5:02 pm

Forum Readers, do drain your carbs in the off season, it is easy to do. You may plan for a short layover, but you never can be sure of that.

Hdboy, I agree that do not rebuild until you try a cleaning product like Seafoam. Since they were not sitting that long they may clean up. I hear other folks praise other brands, but giving one or two a try is worth the effort.




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