Blue foam residew stuff?????

[thepolarpandabear]

I rode my bike alot yesterday parked it in my garage over night,after school I noticed that there was a blue foam that covered the carb what happened ?????????????? If it helps I replaced the spark plug yesterday and it runs ATON better now with the new plug

 

[frozenveinz]

bluefoam.... What oil do you use in your gas?

 

[Goat Herder]

It needs a Rabies shot?