There are boaters who believe that using synthetic oil instead of regular oil is akin to using margarine instead of butter. It may look the same, but does it really do the trick? As a former doubter, I can attest to the beneficial properties of synthetic oil.
Several years ago I made the switch to synthetic 2 stroke outboard oil. I learned that many synthetic oils are made with ash-less components to prevent fouling. The anti-gel properties also proved better than the regular oil I was using. Plus, the synthetic oil came dyed blue which made detecting the oil in fuel a lot easier.