excessive fuel consumption

Information and questions on GL1100 Goldwings (1980-1983)
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Posts: 3
Joined: Fri Jun 28, 2013 10:54 am
Location: Delaware, Oh
Motorcycle: 1980 Honda Goldwing GL1100 Interstate

excessive fuel consumption

Post by winghead » Fri Jul 12, 2013 9:25 am

Ok I have a GL1100 I just finished putting back together. I took the carb apart and cleaned it including the idle jets. Now she spits and sputters on the top end. She runs but like I said spits and sputters under a load. It also drank about 3 gallons of fuel in less than 50 miles.

Im thinking it needs carb kit...

I've replaced the gas lines and the vacuum hose to the vac advance and that may need clamped on either end as well....any suggestions would be appreciated.

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Posts: 8358
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: excessive fuel consumption

Post by virgilmobile » Fri Jul 12, 2013 11:33 am

Before you pull them again,stick a small mirror into the plenum box and look at each slide.Start the bike and snap the throttle and watch each slide.Each one should be resting closed at a idle and pop about half way up on each snap.Be sure there not stuck up.
If there OK,revisit the float level settings.
They must be accurate,level each direction while "resting" on the fuel needle (spring loaded pin), not compressing it.
I just tilt the carbs till the floats fall to the closed position.Never set them with the carbs laying flat on the bench.
As far as a rebuild kit...You really might only need the gaskets.Jets can be cleaned,as well as the fuel needle valve and seat.Your choice.

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Joined: Tue Mar 09, 2010 7:57 am
Motorcycle: 98 SE GL 1500
had every year from 75 to 83

Re: excessive fuel consumption

Post by RBGERSON » Mon Jul 15, 2013 2:57 pm

Sounds like a leak not consumption..past float needles into the cylinders and crank case check the oil is there gas in it??? , or look under the carbs on the engine top leak from bowl gaskets??? fire an issues here be careful. When the bike is running and you look into the plenum it should be damp but not wet if you can see fuel "flowing" carbs need to be adjusted? cleaned? replace float needles??? adjust floats???


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