fiberglass in my gas!

The subject has been covered extensively so I'll try to keep this concise. I wasn't able to find any threads directly addressing the rehabilitation of a Cdo motor and fuel system exposed to resin infused gasoline.

My SOB dunstall fiberglass tank with sealer (applied in the 80s) is mingling with my gasoline. My slides are beginning to stick ever so slightly so I have pulled and emptied the tank for the time being.

If I install my steel roadster tank and run the bike on clean fuel until I sort out the fiberglass tank, will the clean gas rid me of the thin coating of resinous snot residing in my carbs?

I'm guessing the answer is a resounding no, break out the carb dip and repair kit while I beat myself over the head for thinking it was ok to use the fiberglass tank in the first place.

Gasoline is a very powerfull dissolver so go ahead , change back to steel and maybe since it will be sending out uncontaminated fuel it will clear out the goo causing the slides to stick. You're just going to clean with a cleaner anyways.

Look up acetone as mileage increaser in cars and add that for a few tanks to speed the wash off. Real trouble could be if it got into the valve guides.

hobot said:

Look up acetone as mileage increaser in cars and add that for a few tanks to speed the wash off. Real trouble could be if it got into the valve guides.

Click to expand...

I'd pull the carbs off and soak them in carburetor cleaner or maybe denatured alcohol. While they're off you can look into the intake manifolds and seem if there's much accumulation there. If there was much accumulation in the ports it would be good to check the intake valves.

-Eric

Sounds like caught in time before engine parts coated for risk of seizure. Some acetone in the fuel like couple oz per 2.5 gal tank] will tend to take residue out where gasoline contents might get into trouble. Cold Ethanol like they serve 'shine, is not that good a resin solvent just it has plenty of time if left in a fg tank or POR15 coating. Our engines have always been non lead resistant and fine with boozed fuels to burn, just not store long or water may show up if stored long.

http://www.google.com/#sclient=psy-ab&q ... 67&bih=373

I feel your pain.
Motorcycle Consumer News had an article describing how to remove ethanol from "gasoline". Somebody used a 5 or 10 gallon tank that tapers at the bottom and added water. The water absorbed the ethanol and settled at the bottom. Then they drained the water/ethanol and added an octane booster. It sounded like a chemistry class project. Not practical for those of use who use gas stations. Know any hillbillies with a still? They probably know how to distill out the ethanol if anybody does.
I use Caswell's epoxy sealer now, but I don't know if this will work for you without first removing the old sealer. Acetone will dissolve the old sealer but will probably melt the fiberglass, too.