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If and when you tear things apart, remember to order a new fuel tank gasket (it's essentially a whompin' big o-ring). They deform and aren't reusable.

R.
 

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Guess I was lucky as my '06R has never had this problem. I also think it's one of the most accurate fuel gauges I've ever had on a bike as well.
 

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If and when you tear things apart, remember to order a new fuel tank gasket (it's essentially a whompin' big o-ring). They deform and aren't reusable.

R.
My gasket was reusable. Don't torque it down too tight and tighten them evenly as you would a wheel on a car.
 

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2003 Anniversary with 10K miles. Count me in with a non-functional gauge. I'd fix it if i could just get the top off the fuel tank. Plastic fins break easily. Errghh!
 

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Anyone have any luck with a universal lock ring tool like this one (can't post amazon link yet). 3 slotted arm adjustable spanner
 

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2003 Anniversary with 10K miles. Count me in with a non-functional gauge. I'd fix it if i could just get the top off the fuel tank. Plastic fins break easily. Errghh!
I've got the same bike, same mileage and same issue. It's intermittent but I don't go over 100 miles without topping off the tank because of it. I'm going to try the sea foam and see if that has any effect.
 

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You can make your own lock-ring removal tool with PVC pipe or a coffee can. (I used the can). There used to be instructions here on the site, but I don't know if you can still Search back that far.
 

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My sensor/gauge problems resolved with techron seafoam mix added in storage

I also had sensor gauge issues several years ago when I first bought my Vrod in 2002 brand new. within the first few years the gauge stopped working. But these issues resolved and never returned after I started to store my bike with techron and seafoam in the tank over the winter months when the bike sat un-used.

I currently had my 2002 stored in my garage with old gas last put in from 2013. ( 5 years old gas) I just got the bike started again after having a new battery installed and the gauge works fine. The bike started with no hesitation even with 5 year old gas.

The key is to STORE the bike with full tank of gas and the add an ENTIRE COMPLETE bottle of techron and an ENTIRE COMPLETE bottle of seafoam and let it sit over the winter.

Sea foam is amazing. So it Techron

Unrelated, but I had a old Yamaha YSR that i bought that had 30 year old dried up hard caramelized gas drippings on the frame and I used a small amount of seafoam soaked rag on the dried up hardened dark brown dry gas drippings, and sure enough the 30 year old oxidized hardened carmelized gas dripping just dissolved and wiped up in a snap. The seafoam dissolves deposits. Techron does the same.

I massively overdose my fuel tank when using both products when storing my Vrod over the winter.

In 2013, I had put the Vrod away for the last 5 years un-used, but each year added some fresh techron and seafoam each winter just to keep the concentrations high.

fuel gauge world flawlessly since I started this yearly ritual.

Important to note ----It takes TIME for the seafoam and the techron to dissolve the deposits, but with very high concentrations and over several months your gauge should return to proper functioning as these products clean any deposits off of the sending unit.

These is ZERO harm in overdosing Techron or overdosing Seafoam. The only side effect is that your bike will blow white smokey exhaust until all of the treated fuel is completely used up but this usually only occurs on start up. Once the engine is warm the white smoke is gone.
 

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Get or borrow the HD ring tool, (its always good to have it in your armory), take out the sending unit, and use some kitchen sponge and paint remover, let it dry and do it again, it worked perfectly on mine and just saved about $900 at HD heist club since the genius there wanted to replace the whole system gauge included...
 
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