Fuel tank sealer

[Peder_y2k]

Lots of different motorcycle fuel tank sealer products in the marketplace. Any reccomendations and suggestions from those who have actually used them? My barn find tank is rusty enough to warrant an inside coating... no holes, just rusty.

-Pete, in Tacoma WA USA

[Gary N.]

Check with http://www.eastwood.com/?SRCCODE=GA200225&device=c&matchtype=e&network=g&creative=29103245100&gclid=CMK7lbD8_bkCFeZcMgodTmQAiw

Just make sure what ever you buy is compatible with ethanol. I did a tank 30 years ago, before ethanol was added to fuel and the sealer I used back then actually melted. That was a real mess to clean up.

[Snaggletooth]

I started using an epoxy sealer from Caswell a few years back. Did my '84 and several other tanks since then. Won't use any other product now. Tough stuff. Hard as nails. Easy to use. You still need to bust up and remove as much rust as you can the surface does not have to be perfectly clean. Fills in pits and weakened seams great.

 

Over three years now and still looks like a Thermos bottle. Filters never have a trace in them.

 

Worth looking into.

 

From my Droid wherever I may happen to be at any given moment.

[MiCarl]

I use the Caswell too.

 

You can seal any opening with tape or putty because it won't dissolve them. Just remember not to let it set up in screw threads (fuel tap mounting holes for instance) or vent tubes.

 

When it is starting to get tacky (I watch the excess) I blow out any orifices. A bit farther along when it's rubbery I use an oiled tap to chase any threads. I also pull the tape from any openings (fuel tap again) and trim with a blade so the hole doesn't end up under sized.

[ragtop69gs]

+3 on the Caswell. Did the Aux tank on the trike with it, works great and no problems.

[Huggy]

I use the Caswell sealer too!

[Black Owl]

Me 5 on the Caswell Sealer.

Great product and easy to work with.

[MiCarl]

If you use the Caswell you need to pay attention to ambient temperature. They recommend you don't use it below 70 degrees and that is good advice. Near 70 it doesn't flow well. I get good flow at 80 degrees and don't have a problem with it curing too fast.

[Carbon_One]

My vote is for Caswell as well. I've used it on all of the auxiliary tanks I've made thus far for the trike conversions. While the steel is clean and new I add the sealer as a extra measure against future rust.

Larry