Okla. Stat. tit. 47, § 47-11-1103: Motorcycles, motor-driven cycles, motorized scooters

or motorized bicycles - Restrictions on transporting other persons.

A. No person under the age of sixteen (16) years shall drive a

motorcycle, motor-driven cycle, motorized scooter, or motorized

bicycle on any highway of this state while transporting any other

person.

B. The operator of a motorcycle, motor-driven cycle, motorized

scooter, or motorized bicycle who has attained the age of sixteen

(16) years or older may carry a passenger if the vehicle has a wheel

diameter of twelve (12) inches or greater and is factory-designed

and equipped with either:

1. A double seating device with double foot rests; or

2. A sidecar attachment providing a separate seat space within

such sidecar attachment for each person riding therein so that such

person shall be seated entirely within the body of said sidecar.

C. No rider of a motorcycle, motor-driven cycle, motorized

scooter, or motorized bicycle shall hold to any moving vehicle for

the purpose of being propelled.

D. No driver of a motorcycle, motor-driven cycle, motorized

scooter, motorized bicycle, or electric-assisted bicycle shall pass

other vehicles between lanes of traffic traveling in the same

direction. This subsection shall not apply to the operator of an

authorized emergency vehicle.