Delaware

Motorcycle:

“very motor vehicle designed to travel on not more than 3 wheels in
contact with the ground, except any such vehicle as may be included within the definition of “autocycle” or “tractor” and excepting electric personal assistive mobility device (EPAMD).”

Moped:

“a pedal or nonpedal bicycle having 2 tandem wheels, either of which is 10
inches or more in maximum diameter, and having an internal combustion motor characterized in that the maximum piston displacement is less than 55 cc, or an electric motor rated between 751 watts and 2,000 watts.”

(Source: https://delcode.delaware.gov/title21/Title21.pdf)
Vector graphic of Delaware
LicensingMinimum AgeRegistrationInsuranceHelmet
MotorcycleMotorcycle Endorsement17RequiredRequiredAll riders must have helmet in their possession. All riders under 19 or operating under a learner’s permit are required to wear a helmet.
MopedStandard License17Required (Non-Residents are governed by laws of their home state)Not RequiredNot required for riders 18 or older
(Sources: https://www.dmv.de.gov/VehicleServices/specialvehicles/index.shtml?dc=ve_reg_moped; https://www.dmv.de.gov/VehicleServices/specialvehicles/index.shtml?dc=ve_reg_scooter; https://www.dmv.de.gov/forms/driver_serv_forms/pdfs/dr_frm_manual.pdf; https://www.dmv.de.gov/forms/driver_serv_forms/pdfs/dr_frm_motorcycle_manual.pdf)