Tex. Transp. Code § 551.351
In this subchapter:
(1) "Motor-assisted scooter":
(A) means a self-propelled device with:
(2) "Pocket bike or minimotorbike" means a self-propelled vehicle that is equipped with an electric motor or internal combustion engine having a piston displacement of less than 50 cubic centimeters, is designed to propel itself with not more than two wheels in contact with the ground, has a seat or saddle for the use of the operator, is not designed for use on a highway, and is ineligible for a certificate of title under Chapter 501. The term does not include:
Added by Acts 2005, 79th Leg., Ch. 1242 (H.B. 1596), Sec. 3, eff. June 18, 2005.
Acts 2011, 82nd Leg., R.S., Ch. 91 (S.B. 1303), Sec. 24.015, eff. September 1, 2011.
Acts 2019, 86th Leg., R.S., Ch. 612 (S.B. 969), Sec. 5, eff. June 10, 2019.
Acts 2019, 86th Leg., R.S., Ch. 882 (H.B. 3171), Sec. 2.18, eff. September 1, 2019.