Quote Originally Posted by BellaCorse View Post
The problem is evaporation and condensation. A fairly common problem with vented gas caps, of which, the DF cap is marginal quality at best. But the cure, or should I say, the treatment is a simple one.
/Mike
New one to me. I could see moisture on the out side of the tank but not fuel.
Never heard of this problem with motorcycle tanks but only been fooling with bikes for 50 years.