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Still a winger at heart.
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After I fill up my gl1100, the guage reads correctly, or thereabouts. As soon as I start to ride, the guage dips down. When I slow or stop, it picks up a bit. I tend to ride by the odometer more, so its not a huge thing. It is a bit perplexing though. Any thoughts?
 

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The sending unit in the tank may be starting to show signs of age. You can test the sending unit, but, you'll have to remove it first. Maybe you just want to keep riding till winter and check it then. For now, just keep using the trip odometer.

Vic
 

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my 77 Is at empty go to fill her up it only takes 2 1/2 gallons, So I know I have just a little after the E. And before I filled up I thought What crappy gas milage,

I would check your wiring under the seat on top of the sending unit, Mine wouldn't read with the 7 volt regulator, so I by passed it and run 12 volts to it, seems to work fine, I have an extra gauge just in case I fry this one, I did put a 7 volt reg, in for the temp gauge,

So I'm not sure how accurate these things are, It's not hard to get to the sending unit, just take off your seat, and and there it is, Theres just a little spin ring on top with the two wires, Just make sure your gas level is below that sender, Or that could get messy,

With the sending unit out, plug it in, and you'll have to ground it to the tank, Then you can move it up and down by hand, watch the gauge and see what it does,

Could be bad wiring, bad ground, or bad gauge, I'm not so sure about the 7 volt reg, set up.

Good luck
 

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Still a winger at heart.
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Thanks guys...

Today I dropped Bargoyle off at my mechanics. Its a family friend, who has worked on everything from my 33' rv, to my cars. I am having him go through my carbs, and re-seal the forks. Hes had it only 8 hours now, and I am feeling very wingless...

:(:(:(



Blue skies and green lights to ya all...
 

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having a bike down really sucks expecially on these great days we've been having, I'm not sure about oregon but here in wisconsin it's been 75 sunny and only a light wind, Great ridding weather,

Hope you get your bike back soon, so you can get out there ridding
 

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Me three, I second (I mean third) the sender being faulty. Wing fuel gauges were never anyway near 100% accurate in the first place.
 

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Hello,

I have a '78 GL1000 and recently had the same type of problem with the accuracy of the fuel guage. I would fill the tank, then after riding for awhile the guage read empty, but filling it up took only ~2 gallons. I ended up removing the sending unit, checked the float for leaks (not the problem), then removed all the sediment. I ended up opening the unit cover (it was simple to remove by bending some metal tabs . . . carefully, this old stuff) to gain access to the wiper, then cleaned it with a good dose of contact cleaner. Again there was sediment to remove. You have to be careful not to break the small wire between the windings the wiper rides on and the top of the sending unit.

Once all was cleaned, connected the wires back up, switched on the ignition and checked the guage while moving the float arm (you have to give the guage time to react). The cleaning got rid of the dead area along the windings. Put it back together, dropped it back in the tank and it has worked fine ever since.

Something you may want to try before searching around for a new or used sending unit. For me it was the challenge to get it working again if possible. Hopefully your bike uses the same type of unit.

Don
 

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I did not have to clean my sending unit. When I purchased the 1988 wing, the fuel guage was not correct. To fix it started adding one oz. of seafoam per gal. wnen I filled up. I also added one oz. of marvel mistery oil per gal. at fill up. My fuel gauge started working after a few miles.
 
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