So... I've been creeping on here for a while, and today was trying to figure out how to get the Warning decal off the gas tank. Well it took all of 15 minutes, from start to finish. I heated it up with a blow dryer set to the high setting, for about a minute. Starting at a corner a kept the dryer pointed directly ahead of the area in which I was pulling...the blow dryer was approximately 3 inches above the tank at all times. The decal came off in 3 large chunks. I used Goo Gone, letting it sit in for 5 minutes, then wiped it off. The outline was still there, using a Q-Tip that I dipped in Goo Gone, I rubbed it right off. Looks flawless.