And also found in other moped manuals. "In general, two-stroke cycle will operate without problems on unleaded gasoline. These engines do not have valves, and most will actually benefit from using unleaded gasoline because of reductions in spark plug and combustion chamber deposits.

Do scooters need premium gas?

Many stock scooters will operate without issue on regular pump gas, though some will require mid-grade or premium to eliminate knock. Modifications that increase compression or ignition advance are likely to call for higher octane fuels.

What happens if you put the wrong gas in your moped?

There is a high chance that you might have put it adulterated or bad fuel in your moped, this will definitely clog the engine part and will cause issues to an otherwise smooth engine.