j911brick wrote:Kreem is only the coating. To clean the tank use hydrochloric acid (pool/driveway cleaner). Follow the directions that come with the tank sealer kit. Do this outdoors or you'll be sorry.

Wrong. Kreem is the name of the kit. It comes with acid to remove rust. It is a 3 step process. I have used this product many times in the past.

http://motorcyclecity.com/Parts/tank-repair.htm