no
They typically have a shelf life of four to five years.
You have to much oil in your fuel/oil mix
I found a few sites that say the shelf life is two years.
50-1 on 2cycle engines
Yes, and this is determined by the manufacturer.
It should be fine. Might smoke a little.
Baby oil is scented mineral oil. The mineral oil portion will last virtually forever, so really the only thing to worry about is the scent; as long as it still smells okay, it should be fine.
shorter shelf life of oil
50:1 Oil to gas ratio
increases the shelf life of the peanut butter.
1 gal gas + 2cycle engine oil