Zilch, Nada, Nothing. 
But I did have some kerosene taken out of a 5 gallon at the stick house a number of years back.  I had left it sitting outside so I figured my fault.  Shortly after that, the neighbors kids were having a heck of a time starting their snowmobiles.  The snowmobiles were misfiring horribly and smoking up a storm.  Took those kids several weeks to get those snowmobiles running right.  Those kids have been extremely nice to me ever since.  Nothing was ever said, and I had a heck of a good time watching those kids trying to get their sleds running right.