1978 gl1000 just got started need some guidance


Information and questions on GL1000 Goldwings (1975-1979)
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doomviolence
Posts: 2
Joined: Tue Jul 12, 2011 3:02 pm
Location: denver co
Motorcycle: 78 GL1000

1978 gl1000 just got started need some guidance

Post by doomviolence »



Hi I'm new here but I'm thrilled to know there's a resource for these very cool machines. I just got a 78 GL1000 with 37k on it that had been sitting for awhile, they guy I got it from got it started when I looked at it but it seemed to need some tlc. I changed the oil & filter as well as the coolant and put some seafoam into the fuel system. The bike starts right up with the choke on but after it warms up for a few minutes and the choke is off the idle just sits around 2000rpm and I notice that the fuel pump just seems to be dumping alot of fuel into the carbs. The Rpms double if you pull the choke on. I assume my best bet is to remove the carbs and give them an overhaul but thought I'd see if I could get some feedback. The bike has a pretty smooth idle so I think the timing is pretty good but it's just too fast. Thanks for the help!


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virgilmobile
Posts: 9091
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: 1978 gl1000 just got started need some guidance

Post by virgilmobile »

Idle adjustment on rear of carb assembly.Idle speed is about 950 rpm here's a pix.
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dingdong
Posts: 4025
Joined: Thu Apr 08, 2010 8:35 am
Location: Oklahoma City
Motorcycle: 1976 gl1000
1993 gl1500A
2004 NRX1800 Rune SOLD

Re: 1978 gl1000 just got started need some guidance

Post by dingdong »

How did you determine that the fuel pump is dumping excess fuel into the carbs?
doomviolence
Posts: 2
Joined: Tue Jul 12, 2011 3:02 pm
Location: denver co
Motorcycle: 78 GL1000

Re: 1978 gl1000 just got started need some guidance

Post by doomviolence »

So once getting the bike started I let it run for awhile with the choke on then when I pushed the choke back in the idle sat around 2000rpm I watched the fuel pump outlet line to the carbs and gas just seemed like it was flowing really quick for just idling, I definately green when it comes to these bikes so it could be normal, however looking down through the air filter without the lid on it looks like there is excess gas in the bottom of the intake. Not really sure where to start my diagnosis.thanks for your help
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virgilmobile
Posts: 9091
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: 1978 gl1000 just got started need some guidance

Post by virgilmobile »

A float(at least 1 )is stuck ,there should not be any fuel in the plenum.


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