This looks like the only section mentioning motorized bikes

"Sec. 3. Section 14-289g of the general statutes is repealed and the 55 following is substituted in lieu thereof (Effective October 1, 2023): 56 (a) No person [under eighteen years of age] may (1) operate a 57 motorcycle or a motor-driven cycle, as defined in section 14-1, or (2) be 58 a passenger on a motorcycle or motor-driven cycle, unless such operator 59 or passenger is wearing protective headgear of a type which conforms 60 to the minimum specifications established in 49 CFR 571.218, as 61 amended from time to time. Any person who violates [this section] any 62 provision of this subsection shall have committed an infraction and shall 63 be fined not less than ninety dollars. 64 (b) As used in this section, the term "motorcycle" [shall] does not 65 include "autocycle"."