Which vehicles belong to category A1?

1. 1Mopeds, motor scooters, and other two-wheeled vehicles that have an engine with a displacement of up to 50 cu. cm or an electric motor with a power of up to 4 kW.
2. 2Motorcycles and other two-wheeled vehicles that have an engine with a displacement of 50 cu. cm or more or an electric motor with a power of 4 kW or more.
3. 3Quadricycles and tricycles, motorcycles with a sidecar, motorized carriages, and other three-wheeled (four-wheeled) motor vehicles whose maximum permissible mass does not exceed 400 kilograms.
4. 4Answers 1 and 3.