two-wheel vehicle without a sidecar (category L3e) or with a sidecar (category L4e), fitted with an engine having a cylinder capacity of more than 50 cm3 if of the internal combustion type and/or havi, any two-wheeled vehicle, with or without a side-car, which is equipped with a propelling engine, külghaagisega või külghaagiseta kaherattaline mootorsõiduk. Mootorrattaks loetakse ka sümmeetrilise rataste asetusega kolmerattalist mootorsõidukit, mille sisepõlemismootori töömaht on üle 50 kuupsent