Fuel Tank Float Replacement Option

Information and questions on GL1000 Goldwings (1975-1979)
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Joined: Fri Aug 28, 2015 9:15 pm
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Motorcycle: 2012 Honda Goldwing 1800 ABS (love of my life)
1983 Goldwing Interstate 1100 w/sidecar (rebuilding for my mom to use)
2014 Honda CTX 1300 (traded in on 1800)
1997 Honda Magna (SOLD)
2016 F6B in white (the wife's)
1977 GL1000...being restored!

Fuel Tank Float Replacement Option

Post by barrettmusicman1 » Tue May 09, 2017 10:12 pm

Hello everyone. So, I'm going through my "new" 1977 'Wing doing a full resto and have come to the tank. It was rusted BAD! It was so bad that the radiator shop wouldn't touch it...yup, that bad! So, I found another one without any pinholes and they cleaned out the rust, lined it, and it looks brand new inside. However, the "new" tank didn't come with a float valve and my old one was roached beyond repair. So, after trying to find another one on ebay and the like and seeing that they were all almost as bad as mine and there were no new replacements that were affordable I ran across this https://www.amazon.com/gp/product/B00VA ... ingdocs-20 . It's a generic float that fits most sizes of fuel tanks...it fits ours perfectly. I attached some pics of the installation. I made the float length about 4.5". This lets the float get pretty close to the bottom of the tank without bottoming out. It comes with a cork gasket. It almost fits under the 3 tabs allowing you to use the lock washer that the old unit had on it, however they also include screws to attach. For only $15 seems like a good buy. They also make "retro" gauges for these to work with however it'll probably work with the current one as well.

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Re: Fuel Tank Float Replacement Option

Post by spiralout » Wed May 10, 2017 10:05 am

barrettmusicman1 wrote:They also make "retro" gauges for these to work with however it'll probably work with the current one as well.
You might have to use a replacement gauge with this. The resistance is a lot different than Honda's.
Quoted from Amazon "Empty - 240 ohms; 1/2 - 130 ohms; Full - 33 ohms"
and here's the Honda setup's values

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Fred Camper
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Re: Fuel Tank Float Replacement Option

Post by Fred Camper » Wed May 10, 2017 10:09 am

Perhaps it would read better at a 13V input. As the resistance is high, adding input voltage seems like the best option.

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Re: Fuel Tank Float Replacement Option

Post by SnoBrdr » Wed May 10, 2017 1:38 pm

Unless you are doing it to restore the bike to original condition, why bother.

I have never counted on my gauge for anything, I just got close to around 125 miles and fill it up.

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